DE3765839D1 - Zusammensetzung und verfahren zur korrosionsinhibierung. - Google Patents

Zusammensetzung und verfahren zur korrosionsinhibierung.

Info

Publication number: DE3765839D1
Authority: DE; Germany
Prior art keywords: composition; hydroxy; oxime; anhydride; corrosion inhibition
Prior art date: 1986-05-14
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

DE8787303684T

Other languages

English (en)

Inventor

Glyn Rhys John

Bernard Tury

Campbell Fergus Walker

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Croda International PLC

Original Assignee

Imperial Chemical Industries Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-05-14

Filing date

1987-04-27

Publication date

1990-12-06

1987-04-27 Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd

1990-12-06 Application granted granted Critical

1990-12-06 Publication of DE3765839D1 publication Critical patent/DE3765839D1/de

2007-04-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/086—Organic or non-macromolecular compounds
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
- C10M129/42—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms polycarboxylic
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/86—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of 30 or more atoms
- C10M129/92—Carboxylic acids
- C10M129/93—Carboxylic acids having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/30—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms containing a nitrogen-to-oxygen bond
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/142—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/22—Acids obtained from polymerised unsaturated acids
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/14—Containing carbon-to-nitrogen double bounds, e.g. guanidines, hydrazones, semicarbazones
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/20—Containing nitrogen-to-oxygen bonds
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Oil, Petroleum & Natural Gas (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Wood Science & Technology (AREA)
Life Sciences & Earth Sciences (AREA)
Mechanical Engineering (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
Paints Or Removers (AREA)
Lubricants (AREA)
Materials For Medical Uses (AREA)
Macromonomer-Based Addition Polymer (AREA)

DE8787303684T 1986-05-14 1987-04-27 Zusammensetzung und verfahren zur korrosionsinhibierung. Expired - Lifetime DE3765839D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8611772A GB8611772D0 (en)	1986-05-14	1986-05-14	Corrosion inhibitor compositions

Publications (1)

Publication Number	Publication Date
DE3765839D1 true DE3765839D1 (de)	1990-12-06

Family

ID=10597868

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8787303684T Expired - Lifetime DE3765839D1 (de)	1986-05-14	1987-04-27	Zusammensetzung und verfahren zur korrosionsinhibierung.

Country Status (9)

Country	Link
US (1)	US4865647A (de)
EP (1)	EP0247728B1 (de)
JP (1)	JPH0823074B2 (de)
AT (1)	ATE57959T1 (de)
DE (1)	DE3765839D1 (de)
ES (1)	ES2018684B3 (de)
GB (1)	GB8611772D0 (de)
GR (1)	GR3001036T3 (de)
ZA (1)	ZA873096B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5264155A (en) *	1992-06-03	1993-11-23	Betz Laboratories, Inc.	Methods for inhibiting the corrosion and deposition of iron and iron containing metals in aqueous systems
US5312491A (en) *	1992-06-08	1994-05-17	Binter Randolph K	Rust inhibiting compositions and methods for protecting metal surfaces with same
GB9216776D0 (en) *	1992-08-07	1992-09-23	Ici Plc	Composition and use
US6916766B2 (en) *	2002-02-05	2005-07-12	Exxonmobil Research And Engineering Company	Circulating oil compositions
DE10232747A1 (de) *	2002-07-18	2004-02-05	Basf Ag	Verwendung von Polyisobutylen-Derivaten zur Behandlung von Metalloberflächen
KR20070107727A (ko) *	2005-01-28	2007-11-07	바스프 악티엔게젤샤프트	부식 방지 코트를 적용하기 위한 배합물 및 적용 방법
EP2390306B1 (de) *	2009-12-01	2019-08-14	Infineum International Limited	Schmierölzusammensetzung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1271877B (de) *	1963-04-23	1968-07-04	Lubrizol Corp	Schmieroel
US3208945A (en) *	1963-05-31	1965-09-28	California Research Corp	Rust resistant lubricant composition
US3382056A (en) *	1966-06-03	1968-05-07	Chevron Res	Maleic anhydride copolymers as rust inhibitors
DE2354207A1 (de) *	1973-10-30	1975-05-15	Licentia Gmbh	Verfahren zur vermeidung von atmosphaerischer korrosion an eisenmetallen und eisenmetallegierungen unter verwendung von korrosionsinhibitoren
US4165292A (en) *	1975-05-23	1979-08-21	Edwin Cooper And Company Limited	Lubricant corrosion inhibitor
GB1566106A (en) *	1976-03-17	1980-04-30	Nat Res Dev	Additives for aviation and similar fuels
US4256595A (en) *	1978-09-28	1981-03-17	Texaco Inc.	Diesel lubricant composition containing 5-amino-triazole-succinic anhydride reaction product
US4326987A (en) *	1980-02-25	1982-04-27	Petrolite Corporation	Reaction products of alkyl and alkenyl succinic acids and ether diamines
GB8312211D0 (en) *	1983-05-04	1983-06-08	Ici Plc	Corrosion inhibition
DE3475321D1 (en) *	1983-05-04	1988-12-29	Ici Plc	Corrosion inhibition
DE3411531A1 (de) *	1984-03-29	1985-10-10	Basf Ag, 6700 Ludwigshafen	Verfahren zur umsetzung von olefinen mit maleinsaeureanhydrid und verwendung der erhaltenen bernsteinsaeureanhydride zur herstellung von korrosionsschutzmitteln und mineraloelhilfsmitteln
GB8426103D0 (en) *	1984-10-16	1984-11-21	Ici Plc	Corrosion inhibition

1986
- 1986-05-14 GB GB8611772A patent/GB8611772D0/en active Pending
1987
- 1987-04-27 AT AT87303684T patent/ATE57959T1/de not_active IP Right Cessation
- 1987-04-27 EP EP19870303684 patent/EP0247728B1/de not_active Expired - Lifetime
- 1987-04-27 ES ES87303684T patent/ES2018684B3/es not_active Expired - Lifetime
- 1987-04-27 DE DE8787303684T patent/DE3765839D1/de not_active Expired - Lifetime
- 1987-04-29 ZA ZA873096A patent/ZA873096B/xx unknown
- 1987-05-14 JP JP11806387A patent/JPH0823074B2/ja not_active Expired - Lifetime
1988
- 1988-10-12 US US07/257,121 patent/US4865647A/en not_active Expired - Lifetime
1990
- 1990-11-01 GR GR90400164T patent/GR3001036T3/el unknown

Also Published As

Publication number	Publication date
EP0247728A1 (de)	1987-12-02
EP0247728B1 (de)	1990-10-31
JPH0823074B2 (ja)	1996-03-06
GB8611772D0 (en)	1986-06-25
ES2018684B3 (es)	1991-05-01
JPS62290887A (ja)	1987-12-17
ZA873096B (en)	1987-12-30
US4865647A (en)	1989-09-12
GR3001036T3 (en)	1992-01-20
ATE57959T1 (de)	1990-11-15

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DE69733611D1 (de)	2005-07-28	Verfahren und potenzierte zusammensetzung zur behandlung von migräne
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DE3888935D1 (de)	1994-05-11	Behandlung und Nachbehandlung von Metallen mittels Aminoxidgruppen enthaltenden Polyphenolverbindungen.
DE69517927D1 (de)	2000-08-17	Verfahren zum Herstellen titanhaltiger Stähle und nach diesem Verfahren hergestellte Stähle
DK0635463T3 (da)	1999-06-21	Anvendelse og fremgangsmåde til at påføre et additiv til forebyggelse af metalkorrosion i byggematerialer
BG103170A (en)	1999-09-30	Polymorphic form ii of finasteride and method for its preparation
PH24090A (en)	1990-03-05	17beta-(cyclopropylamino)androst-5-en-3beta-ol and related compounds useful as c17020 lyase inhibitors
ATE137761T1 (de)	1996-05-15	4-substituiertes 17-beta-(cyclopropyl-amino)- androst-5-en-3-beta-ol und seine derivate, verwendbar als inhibitoren der c17-20-lyase
DE3765839D1 (de)	1990-12-06	Zusammensetzung und verfahren zur korrosionsinhibierung.
DE3886991D1 (de)	1994-02-24	Rostschutzmittel, Rostschutz-Überzugszusammensetzung und Überzugsverfahren zur Korrosionsverhütung von Metalloberflächen.
DE69225601D1 (de)	1998-06-25	Azabicycloarylacetylen- und arylenynoxine als cholinergische mittel und verfahren zur behandlung
ATE42349T1 (de)	1989-05-15	Antikorrosive metallkomplex-zusammensetzungen und ihre verwendung.
ES2020598B3 (es)	1991-08-16	Inhibicion de la corrosion.
EP0236542A3 (en)	1987-11-25	Novel organic phosphinic acid compounds and their use for metal extraction
ES8206469A1 (es)	1982-08-16	Procedimiento para la preparacion de imidas de acidos succi-nicos
DE69024774D1 (de)	1996-02-22	Verfahren zur chemischen Konversion von Metallgegenständen, verwendetes Bad dafür und Konzentrat zur Herstellung des Bades
John et al.	1987	Corrosion Inhibiting Composition and Process
ATE13290T1 (de)	1985-06-15	Verfahren zur n-alkylierung von organischen, stickstoffhaltigen verbindungen.
ATE95249T1 (de)	1993-10-15	Beschichtete magnesiumteilchen zur entschwefelung von gusseisen oder flussstahl.
ATE8638T1 (de)	1984-08-15	Verfahren zur herstellung von 17-alpha-hydroxy17beta-hydroxyacetyl-steroiden und die erhaltenen entsprechenden zwischenprodukte.
DE69409799D1 (de)	1998-05-28	Herstellung von symmetrischen und unsymmetrischen disubstituierten n-cyandithioiminocarbonaten
RO66658A2 (fr)	1979-05-15	Composition de vernis pour protection pandant la cementation,nitruration et qxydation des pieces en acier ou enfonte

Legal Events

Date	Code	Title	Description
1991-11-28	8364	No opposition during term of opposition
2007-07-05	8327	Change in the person/name/address of the patent owner	Owner name: CRODA INTERNATIONAL PLC, GOOLE, EAST YORKSHIRE, GB