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GB1281567A - Photographic silver halide emulsions - Google Patents

Photographic silver halide emulsions

Info

Publication number
GB1281567A
GB1281567A GB49611/69A GB4961169A GB1281567A GB 1281567 A GB1281567 A GB 1281567A GB 49611/69 A GB49611/69 A GB 49611/69A GB 4961169 A GB4961169 A GB 4961169A GB 1281567 A GB1281567 A GB 1281567A
Authority
GB
United Kingdom
Prior art keywords
optionally substituted
nucleus
heterocyclic
completes
alkyl
Prior art date
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
Application number
GB49611/69A
Inventor
David Mee John
Winder Jenkins Philip
Warren Heseltine Donald
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1281567A publication Critical patent/GB1281567A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/09—Sensitisors or activators, e.g. dyestuffs
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
    • C07D209/12—Radicals substituted by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/08—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
    • C09B23/083—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines five >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/08—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
    • C09B23/086—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines more than five >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/107—The polymethine chain containing an even number of >CH- groups four >CH- groups
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
    • G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
    • G03F7/031—Organic compounds not covered by group G03F7/029
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0664—Dyes
    • G03G5/0666—Dyes containing a methine or polymethine group
    • G03G5/0668—Dyes containing a methine or polymethine group containing only one methine or polymethine group
    • G03G5/067—Dyes containing a methine or polymethine group containing only one methine or polymethine group containing hetero rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Indole Compounds (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1281567 Cyanine dyes EASTMAN KODAK CO 9 Oct 1969 [9 Oct 1968] 49611/69 Heading C4P [Also in Division G2] Cyanine dyes for modifying the sensitivity of silver halide emulsions have first and second nitrogen-containing heterocyclic nuclei having 5 or 6 atoms in the heterocyclic ring containing said nitrogen atom, joined by a methine or polymethine linkage, the said nitrogen atom in at least one heterocyclic nucleus being substituted by a cycloalkoxy or optionally substituted alkoxy group. Preferably, the dye is of formula (in which Q 2 completes a pyridine or quinoline nucleus, Q 1 completes a heterocyclic nucleus containing 5 or 6 atoms in the heterocyclic ring containing the N atom shown; X is an anion; R is optionally substituted alkyl; R 2 is H 3 alkyl or optionally substituted aryl; L is a methine linkage; g is 0 or 1, n is 0-3; R is cycloalkyl, alkenyl, alkoxy, or optionally substituted ary] or alkyl). Specified dyes are those in which Q 1 completes a benzothiazole, -naphthothiazole, benzoxazole or 1,3,3-trimethyl-3H indole nucleus, R is CH 3 , C 2 H 5 , benzyl or 3-sulphopropyl and n is 0, 1 or 2.
GB49611/69A 1968-10-09 1969-10-09 Photographic silver halide emulsions Expired GB1281567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76630768A 1968-10-09 1968-10-09

Publications (1)

Publication Number Publication Date
GB1281567A true GB1281567A (en) 1972-07-12

Family

ID=25076052

Family Applications (4)

Application Number Title Priority Date Filing Date
GB49610/69A Expired GB1281566A (en) 1968-10-09 1969-10-09 Photographic silver halide emulsions
GB49611/69A Expired GB1281567A (en) 1968-10-09 1969-10-09 Photographic silver halide emulsions
GB49606/69A Expired GB1281565A (en) 1968-10-09 1969-10-09 Organic heterocyclic compounds
GB49612/69A Expired GB1276129A (en) 1968-10-09 1969-10-09 Energy-sensitive compositions and materials

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB49610/69A Expired GB1281566A (en) 1968-10-09 1969-10-09 Photographic silver halide emulsions

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB49606/69A Expired GB1281565A (en) 1968-10-09 1969-10-09 Organic heterocyclic compounds
GB49612/69A Expired GB1276129A (en) 1968-10-09 1969-10-09 Energy-sensitive compositions and materials

Country Status (8)

Country Link
US (1) US3615432A (en)
JP (4) JPS4930131B1 (en)
BE (10) BE738229A (en)
BR (6) BR6913048D0 (en)
CH (3) CH530027A (en)
DE (5) DE1950757A1 (en)
FR (6) FR2020246A1 (en)
GB (4) GB1281566A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770451A (en) * 1968-10-09 1973-11-06 Eastman Kodak Co Silver halide emulsions sensitized with dyes containing heterocyclic nitrogen atoms substituted with an -or group
JPS5138994U (en) * 1974-09-14 1976-03-23
JPS525012A (en) * 1975-06-28 1977-01-14 Kubota Ltd Pipe joint
JPS5253093U (en) * 1975-10-13 1977-04-15
US4197080A (en) * 1979-02-14 1980-04-08 Eastman Kodak Company Radiation-cleavable nondiffusible compounds and photographic elements and processes employing them
US4410618A (en) * 1982-06-11 1983-10-18 Eastman Kodak Company Blocked photographic reagents
JPH083621B2 (en) 1985-07-31 1996-01-17 富士写真フイルム株式会社 Image forming method
JPH0184698U (en) * 1987-11-27 1989-06-06
DE3833987A1 (en) * 1988-10-06 1990-04-12 Hans A Urban Process for the production of a permanent wave lotion and for waving hair using this permanent wave lotion
DE8812988U1 (en) * 1988-10-15 1988-12-22 Ahsmann, Dieter, 4520 Melle Wardrobe
DE69027717T2 (en) * 1989-08-11 1996-11-28 Fuji Photo Film Co Ltd Light and heat sensitive recording material
JP2520763B2 (en) * 1990-04-20 1996-07-31 富士写真フイルム株式会社 Water-soluble methine compound and silver halide photographic emulsion containing the compound
GB9508031D0 (en) * 1995-04-20 1995-06-07 Minnesota Mining & Mfg UV-absorbing media bleachable by IR-radiation
US6376163B1 (en) 2000-02-22 2002-04-23 Eastman Kodak Company Photobleachable composition, photographic element containing the composition and photobleachable method
US6207359B1 (en) 2000-02-22 2001-03-27 Eastman Kodak Company Method for reducing the dye stain in photographic elements
US6974662B2 (en) * 2003-08-04 2005-12-13 Eastman Kodak Company Thermal base precursors
US8367304B2 (en) 2008-06-08 2013-02-05 Apple Inc. Techniques for marking product housings
US9173336B2 (en) 2009-05-19 2015-10-27 Apple Inc. Techniques for marking product housings
US8663806B2 (en) 2009-08-25 2014-03-04 Apple Inc. Techniques for marking a substrate using a physical vapor deposition material
US10071583B2 (en) 2009-10-16 2018-09-11 Apple Inc. Marking of product housings
US9845546B2 (en) * 2009-10-16 2017-12-19 Apple Inc. Sub-surface marking of product housings
US8809733B2 (en) 2009-10-16 2014-08-19 Apple Inc. Sub-surface marking of product housings
US20120248001A1 (en) 2011-03-29 2012-10-04 Nashner Michael S Marking of Fabric Carrying Case for Portable Electronic Device
US9280183B2 (en) 2011-04-01 2016-03-08 Apple Inc. Advanced techniques for bonding metal to plastic
US20130075126A1 (en) * 2011-09-27 2013-03-28 Michael S. Nashner Laser Bleached Marking of Dyed Anodization
US10071584B2 (en) 2012-07-09 2018-09-11 Apple Inc. Process for creating sub-surface marking on plastic parts
DE202012104055U1 (en) 2012-10-22 2012-11-13 Fluoron Gmbh Syringe for injection of a surgical gas
US9434197B2 (en) 2013-06-18 2016-09-06 Apple Inc. Laser engraved reflective surface structures
US9314871B2 (en) 2013-06-18 2016-04-19 Apple Inc. Method for laser engraved reflective surface structures

Also Published As

Publication number Publication date
US3615432A (en) 1971-10-26
JPS4930131B1 (en) 1974-08-10
DE1950757A1 (en) 1970-05-14
DE1950735A1 (en) 1970-04-23
FR2020245A1 (en) 1970-07-10
JPS505584B1 (en) 1975-03-05
FR2020243A1 (en) 1970-07-10
FR2020247A1 (en) 1970-07-10
DE1950726C3 (en) 1982-02-04
CH530027A (en) 1972-10-31
BR6913049D0 (en) 1973-01-25
DE1950746A1 (en) 1970-04-09
BE738227A (en) 1970-03-02
BR6913051D0 (en) 1973-05-10
FR2020244A1 (en) 1970-07-10
BE738229A (en) 1970-03-02
BE738225A (en) 1970-03-02
GB1281565A (en) 1972-07-12
BE740043A (en) 1970-03-16
GB1276129A (en) 1972-06-01
BE740044A (en) 1970-03-16
CH506096A (en) 1971-04-15
BR6913050D0 (en) 1973-06-07
BE740042A (en) 1970-03-16
BR6913046D0 (en) 1973-01-25
BE738228A (en) 1970-03-02
BE738226A (en) 1970-03-02
FR2020246A1 (en) 1970-07-10
JPS4910691B1 (en) 1974-03-12
DE1950726A1 (en) 1970-05-14
JPS4931127B1 (en) 1974-08-19
GB1281566A (en) 1972-07-12
BR6913048D0 (en) 1973-01-25
BE738230A (en) 1970-03-02
DE1950766B2 (en) 1971-03-18
DE1950779A1 (en) 1970-05-14
DE1950726B2 (en) 1981-05-07
CH517317A (en) 1971-12-31
BR6913047D0 (en) 1973-01-25
BE740041A (en) 1970-03-16
FR2022244A1 (en) 1970-07-31
DE1950766A1 (en) 1970-04-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees