DD297249A5 - METHOD FOR AUTOMATIC MONITORING OF THE BONED GRADE ON MATERIAL RAILS - Google Patents
METHOD FOR AUTOMATIC MONITORING OF THE BONED GRADE ON MATERIAL RAILS Download PDFInfo
- Publication number
- DD297249A5 DD297249A5 DD34328290A DD34328290A DD297249A5 DD 297249 A5 DD297249 A5 DD 297249A5 DD 34328290 A DD34328290 A DD 34328290A DD 34328290 A DD34328290 A DD 34328290A DD 297249 A5 DD297249 A5 DD 297249A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- radiation
- webs
- absorption
- radiometric measuring
- error signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title claims abstract description 7
- 238000012544 monitoring process Methods 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 230000001960 triggered effect Effects 0.000 claims abstract description 4
- 230000002285 radioactive effect Effects 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 2
- 238000000275 quality assurance Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000011490 mineral wool Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012332 laboratory investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
- A61K9/127—Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
- A61K9/1271—Non-conventional liposomes, e.g. PEGylated liposomes or liposomes coated or grafted with polymers
- A61K9/1272—Non-conventional liposomes, e.g. PEGylated liposomes or liposomes coated or grafted with polymers comprising non-phosphatidyl surfactants as bilayer-forming substances, e.g. cationic lipids or non-phosphatidyl liposomes coated or grafted with polymers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1896—Compounds having one or more Si-O-acyl linkages
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/107—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides
- C07K1/1072—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides by covalent attachment of residues or functional groups
- C07K1/1077—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length by chemical modification of precursor peptides by covalent attachment of residues or functional groups by covalent attachment of residues other than amino acids or peptide residues, e.g. sugars, polyols, fatty acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Genetics & Genomics (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Biochemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Cosmetics (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zur automatischen UEberwachung des Aushaertegrades an Materialbahnen waehrend des Produktionsprozesses, bei dem nach dem Auftreten von Maengeln ein sofortiges Eingreifen des Anlagenpersonals zur Qualitaetssicherung erfolgen kann. Erfindungsgemaesz werden dabei durch den Einsatz einer an sich bekannten radiometrischen Meszanordnung an der Produktionslinie der Materialbahnen die durch mangelhafte Aushaertung entstandenen Geometriefehler ueber den Absorptionsgrad der Strahlung eines Radionuklides erfaszt und signalisiert. Sobald ein einstellbarer Sollwert der Strahlungsintensitaet unterschritten wird, wird ein Fehlersignal ausgeloest. Die Erfindung kann ueberall dort angewendet werden, wo durch mangelhafte Aushaertung auftretende Inhomogenitaeten an Materialbahnen mittels radiometrischer Mesztechnik erfaszt werden koennen.{automatische UEberwachung; Aushaertegrad; Materialbahn; Produktionslinie; radiometrische Meszanordnung; Durchstrahlungsverfahren; Radionuklid; Absorptionsgrad; Geometriefehler; Fehlersignal}The invention relates to a method for automatically monitoring the Aushaertegrades on webs during the production process, in which after the occurrence of defects an immediate intervention of the plant personnel can be done for quality assurance. According to the invention, the use of a known radiometric measuring arrangement on the production line of the material webs detects and signals the geometry errors resulting from poor hardening over the degree of absorption of the radiation of a radionuclide. As soon as an adjustable setpoint value of the radiation intensity is undershot, an error signal is triggered. The invention can be applied wherever inhomogeneities on webs of material occurring due to poor hardening can be detected by means of radiometric measuring technique. {Automatic surveillance; of cure; Web; Production line; radiometric measuring arrangement; Radiation methods; radionuclide; Absorption coefficient; Geometry errors; Error signal}
Description
Tltul dar Erf Tl tul dar Erf
Verfahren zur automatischen Überwachung dee AushHrtegrades an MaterlaibahnenMethod for automatic monitoring of the degree of hardness of material webs
Öle Erfindung betrifft ein Verfahren zur automatischen Überwachung des Aushärtogrades an Materlaibahnen, Insbesondere Fa sermaterlalbahnen ι während Ihres Herstellungsprozesses und bezieht sich auf das Gebiet der Meßtechnik zur Erfassung von Inhomogenitäten an Materlaibahnen mittels radiometrischem Durchstrahlungsverfahren.Oils invention relates to a method for automatically monitoring the Aushärtogrades on Materlaibahnen, in particular Fa sermaterlalbahnen ι during their manufacturing process and relates to the field of measurement technique for detecting inhomogeneities on Materlaibahnen by radiometric transmission method.
Charakteristik des bekannten Standes dor Technik Characteristic of the known state of the art
El 1st bekannt, den Aushärtegrad von Mineralwolleerzeugnissen (Materialbahnen, Platten) mittels nichtzerstörungsfreier Prüfverfahren zu bestimmen. Ogzu werden stichprobenartige Überprüfungen durchgeführt, die zeitintensive Laboruntersuchungen zur Folge haben. Zwangsläufig ergeben sich daraus im HerstellungsprozeÜ längere Produktionsphasen mit verminderten Qualitätsparametern.It is known to determine the degree of cure of mineral wool products (webs, sheets) by non-destructive testing methods. In addition, random checks are carried out, which lead to time-consuming laboratory investigations. Inevitably, this results in longer production phases with reduced quality parameters in the production process.
Eine zerstörungsfreie PrUfung des Aushärtegrades bietet die Lösung gemäß EP 324869, bei dem die Probe eines mit einem Reaktionsharz imprägnierten Trägers in einer PrUfflüssigkeit bewegt wird, ueren Temperatur so gewählt wird, daß das Reaktionsharz aushärten kann, und die fllr das Dewegen der Probe benötigte Energie (z.B. elektrischer Strom) während der Aushärtung gemessen wird.A non-destructive test of the degree of cure is provided by the solution according to EP 324869, in which the sample of a support impregnated with a reaction resin is agitated in a test fluid, the temperature is chosen so that the reaction resin can harden, and the energy required to move the sample ( eg electric current) during curing.
Auch dieses Verfahren ist nur für Stichprobenprüfungen und im Labor anwendbar.Again, this procedure is only applicable to spot checks and in the laboratory.
In der DO-PS 208062 wird ein Verfahren zur Bestimmung der Oichte instabiler Medien mittels radioaktiver Strahlungsabsorption unter Verwendung der Gammastrahlung eines Nuklides dargestellt, wobei das Meßgut einem divergenten Strahlenfeld ausgesetzt wird. Mit diesen Verfahren wird eine kontinuierliche Messung der Dichte von Suspensionen bei der PoIyester-und-seidenherstellung erreicht. Nachteilig ist hierbei zu sehen, daß die Bestimmung der Dichte nur auf ein begrenztes Einsatzgebiet beschränkt ist.In DO-PS 208062 a method for the determination of the ocre of unstable media by means of radioactive radiation absorption using the gamma radiation of a nuclide is shown, wherein the test material is exposed to a divergent radiation field. With these methods, a continuous measurement of the density of suspensions in polyester-and-silk production is achieved. The disadvantage here is to see that the determination of the density is limited to a limited field of application.
13 UV 3 * H Ziel der Frfindunn 13 UV 3 * H Destination of the Frfindunn
Ziel der Erfindung ist es, ein Verfahren bereitzustellen, das die qualitätsgerechte Aushärtung bei dor Herstellung von Materialbahnen während des Produktionsprozesses sichert.The aim of the invention is to provide a method which ensures the quality-oriented curing in the production of material webs during the production process.
Aufgabe der Erfindung ist es, das Verfahren zur Herstellung von Materialbahnen derart zu gestalten, daß eine ständige automatische Überwachung des Aushärtegrades an Materialbahnen während des Produktionsprozesses sowie nach dem Auftreten von Mangeln eim sofortige Reaktion des Anlagenpersonals zur Qualitätssicherung erfolgen kann.The object of the invention is to make the method for producing webs such that a constant automatic monitoring of the degree of hardness of webs during the production process and after the occurrence of shortages eim immediate response of the plant staff can be done for quality assurance.
Oie Nachteile bekannter Lösungen (wie zeitintensive Laboruntersuchungen, nur stichprobenartige Überprüfungen sowie längere Produktionsphasen mit verminderten Qualitätsparametern) werden damit vermieden.The disadvantages of known solutions (such as time-consuming laboratory tests, only random checks and longer production phases with reduced quality parameters) are thus avoided.
ErfindungsgemäO wird diese Aufgabe durch den Einsatz einer an sich bekannten radiometrischen Meßanordnung an der Produktionslinie gelöst, wobei unter Anwendung des Durchstrahlungsverfahrens durch mangelhafte Aushärtung entstandene Geometriefehler Über den Absorptionsgrad der Strahlung eines Radionuklides erfaßt und signalisiert werden.According to the invention, this object is achieved by the use of a known radiometric measuring arrangement on the production line, whereby geometry errors resulting from poor curing are detected and signaled via the absorption coefficient of the radiation of a radionuclide using the radiographic method.
Erfindungswesentlich ist dabei, daß die durch das Auftreten des Geometriefehlers verursachte starke Streuung der Strahlung den Absorptionsgrad und damit die vom Meßgerät aufgenommene Strahlung verändert. Unterschreitet die Strahlungsintensität einen einstellbaren Sollwert, so wird ein Fehlersignal ausgelöst.It is essential to the invention that the strong scattering of the radiation caused by the occurrence of the geometry error alters the degree of absorption and thus the radiation received by the measuring device. If the radiation intensity falls below an adjustable setpoint, an error signal is triggered.
Λ../ Τ t* T J Λ ../ Τ t * T J
üie Erfindung wird nachfolgend an einem AusfUhrungsbeispiel näher erläutert.üie invention will be explained in more detail below to a AusfUhrungsbeispiel.
Bei der Herstellung von Mineralwolleerzeugnissen werden deren geschmolzene Ausgangsstoffe zu Fasermaterialbahnen (-platten oder -matten) verarbeitet, wobei der Aushärtegrad einen wesentlichen Qualitätsparameter für diese Erzeugnisse darstellt. Nichtausgehärtete Mineralwolleerzeugnisse besitzen mehrere Grenzschichten (z.B. ausgehärtete Schicht- nichtausgehärtete Schicht -ausgehärtete Schicht), was zu Inhomogenitäten im Innern der Materialbahn, dem Geometriefehler führt.In the production of mineral wool products, their molten raw materials are processed into fibrous material webs (sheets or mats), whereby the degree of cure represents a significant quality parameter for these products. Unhardened mineral wool products have multiple boundary layers (e.g., cured layer uncured layer-cured layer), resulting in inhomogeneities in the interior of the web, the geometry error.
Um eine qualitätsgerechte Herstellung von Mineralwolleerzeugnissen zu sichern, wird eine ständige automatische überwachung des Aushärtegrades während des Produktionsprozesses nach dem erfindungsgemäßen Verfahren durchgeführt. Dazu werden die Meßmittel, wie Strahlenquelle (Radionuklid) und Strahlungsempfänger (Meßgerät), derart an der Produktionslinie angebracht, daß die dazwischen angeordnete Mineralwollebahn die Meßstrecke bildet. Zur Messung wird die Absorption genutzt, die die Strahlung eines Radionuklides als Folge einer Wechselwirkung mit den Atomen des Meßgutes (Mineralwolle) erfährt. Zur Ermittlung des Aushärtegrades wird weiterhin der Zusammenhang "Transmissionsgrad + Reflexionsgrad + Absorptionsgrad = 1" genutzt, der die Abhängigkeit von Reflexions- und Absorptionsgrad darstellt.In order to ensure a quality production of mineral wool products, a constant automatic monitoring of the degree of curing during the production process is carried out according to the inventive method. For this purpose, the measuring means, such as radiation source (radionuclide) and radiation receiver (measuring device) are mounted on the production line such that the mineral wool web arranged therebetween forms the measuring path. To measure the absorption is used, which experiences the radiation of a radionuclide as a result of an interaction with the atoms of the sample (mineral wool). To determine the degree of cure, the relationship "transmittance + reflectance + degree of absorption = 1" is further used, which represents the dependence of reflection and absorption.
Trifft die radioaktive Strahlung des Radionuklides auf ein nur teilweise ausgehärtetes Mineralwolleerzeugnis, so tritt an den Grenzschichten eine starke Streuung der Strahlung auf, was wiederum eine Änderung des Absorptionsgrades nach sich zieht. Untersuchungen an Mineralwolleplatten ergaben, daß sich die vom Meßgerät aufgenommene Strahlung um ein Mehrfaches verändert und damit ein eindeutiges Erfassen des Geometriefehlers zuläßt.If the radioactive radiation of the radionuclide encounters a partially cured mineral wool product, a strong scattering of the radiation occurs at the boundary layers, which in turn causes a change in the degree of absorption. Investigations on mineral wool slabs showed that the radiation absorbed by the measuring device changed by a multiple and thus allows a clear detection of the geometry error.
Wird das radioaktive Meßgerät auf einen Sollwert (entspricht ausgehärteter Mineralwolleplatte) eingestellt, so wird sofort bei Unterschreiten der Strahlungsintensität ein Fehler-If the radioactive measuring instrument is set to a nominal value (corresponds to hardened mineral wool plate), immediately upon falling below the radiation intensity an error
signal an der Produktionslinie ausgelöst. Oas ermöglicht ein sofortiges Eingreifen des Anlagenpersonals in den Produktionsprozeß und verhindert längere Produktionsphasen von qualita'tsgeminderten Miner a lwol leer Zeugnissen.signal triggered on the production line. Oas allows an immediate intervention of the plant personnel in the production process and prevents longer production phases of quality-reduced miner a lwol empty certificates.
Claims (1)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD34328290A DD297249A5 (en) | 1990-08-07 | 1990-08-07 | METHOD FOR AUTOMATIC MONITORING OF THE BONED GRADE ON MATERIAL RAILS |
| EP91113199A EP0483465B1 (en) | 1990-08-07 | 1991-08-06 | Long chain di(acyloxy)dialkylsilanes, di(acyloxy)diarylsilanes, di(acyloxy)dialkoxysilanes, and tetra(acyloxy)silanes, process for their preparation, their use for the preparation of vesicles, so produced vesicles and their use as vehicles for drugs |
| DE59106138T DE59106138D1 (en) | 1990-08-07 | 1991-08-06 | Long chain di (acyloxy) dialkylsilanes, di (acyloxy) diarylsilanes, di (acyloxy) dialkoxysilanes and tetra (acyloxy) silanes, processes for their preparation, their use in the production of vesicles, vesicles (siosomes) made from them and their use as carriers of Active substances. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD34328290A DD297249A5 (en) | 1990-08-07 | 1990-08-07 | METHOD FOR AUTOMATIC MONITORING OF THE BONED GRADE ON MATERIAL RAILS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD297249A5 true DD297249A5 (en) | 1992-01-02 |
Family
ID=5620167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD34328290A DD297249A5 (en) | 1990-08-07 | 1990-08-07 | METHOD FOR AUTOMATIC MONITORING OF THE BONED GRADE ON MATERIAL RAILS |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0483465B1 (en) |
| DD (1) | DD297249A5 (en) |
| DE (1) | DE59106138D1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5364633A (en) * | 1994-03-14 | 1994-11-15 | Dow Corning Corporation | Silicone vesicles and entrapment |
| US5958448A (en) * | 1995-01-13 | 1999-09-28 | Dow Corning Corporation | Siloxane MQ resin vesicles and entrapment |
| US6828305B2 (en) | 2001-06-04 | 2004-12-07 | Nobex Corporation | Mixtures of growth hormone drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same |
| US6828297B2 (en) | 2001-06-04 | 2004-12-07 | Nobex Corporation | Mixtures of insulin drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same |
| US7713932B2 (en) | 2001-06-04 | 2010-05-11 | Biocon Limited | Calcitonin drug-oligomer conjugates, and uses thereof |
| US6713452B2 (en) | 2001-06-04 | 2004-03-30 | Nobex Corporation | Mixtures of calcitonin drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same |
| US7125904B2 (en) | 2002-10-11 | 2006-10-24 | Portela & C.A., S.A. | Peripherally-selective inhibitors of dopamine-β-hydroxylase and method of their preparation |
| JP5047779B2 (en) | 2004-04-20 | 2012-10-10 | ダウ・コーニング・コーポレイション | High molecular weight silicone polyether vesicles |
| US8012387B2 (en) | 2004-04-20 | 2011-09-06 | Dow Corning Corporation | Silicone vesicles |
| CN1946770A (en) * | 2004-04-20 | 2007-04-11 | 陶氏康宁公司 | Aqueous dispersions of silicone polyether block copolymers |
| KR101203929B1 (en) | 2004-04-20 | 2012-11-27 | 다우 코닝 코포레이션 | Aqueous dispersions of silicone polyether block copolymers |
| EP1948196B1 (en) * | 2005-11-03 | 2012-12-26 | Zoser B. Salama | Use of tetraorganosilicon compounds |
| DE102005053011A1 (en) * | 2005-11-03 | 2007-05-10 | Salama, Zoser B., Dr.Rer.Nat. | Use of tetraorganosilicon compound having cell proliferation inhibitory activity, e.g. as an immunstimulator to treat viral-, bacterial- and/or tumor diseases, anemia, arteriosclerosis, arthritis, asthma, autoimmune disease, and cirrhosis |
| AU2009281311A1 (en) * | 2008-08-15 | 2010-02-18 | Zoser B. Salama | Carrier system for biological agents containing organosilicon compounds and uses thereof |
| EP2384743A1 (en) * | 2010-04-27 | 2011-11-09 | Zoser B. Salama | Siosomal formulation for intracellular delivery and targeting of therapeutic agents |
| US11241393B2 (en) | 2020-05-11 | 2022-02-08 | Zoser B. Salama | Organosilicon carriers for use in treating infections and/or diseases caused by SARS viruses |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3912651A (en) * | 1973-07-09 | 1975-10-14 | Dow Corning | Anhydrous organosilicon fluids |
| JPS5234923B2 (en) * | 1974-10-02 | 1977-09-06 |
-
1990
- 1990-08-07 DD DD34328290A patent/DD297249A5/en not_active IP Right Cessation
-
1991
- 1991-08-06 EP EP91113199A patent/EP0483465B1/en not_active Expired - Lifetime
- 1991-08-06 DE DE59106138T patent/DE59106138D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59106138D1 (en) | 1995-09-07 |
| EP0483465A1 (en) | 1992-05-06 |
| EP0483465B1 (en) | 1995-08-02 |
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| Date | Code | Title | Description |
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| NPI | Change in the person, name or address of the patentee (addendum to changes before extension act) | ||
| ENJ | Ceased due to non-payment of renewal fee |