GB1462789A - Gelatin hardening agents - Google Patents

Gelatin hardening agents

Info

Publication number
GB1462789A
GB1462789A GB4766973A GB4766973A GB1462789A GB 1462789 A GB1462789 A GB 1462789A GB 4766973 A GB4766973 A GB 4766973A GB 4766973 A GB4766973 A GB 4766973A GB 1462789 A GB1462789 A GB 1462789A
Authority
GB
United Kingdom
Prior art keywords
reacting
trimethylene bis
perchlorate
pyridinium
treating
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
GB4766973A
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB4766973A priority Critical patent/GB1462789A/en
Priority to IT5345074A priority patent/IT1029615B/en
Priority to FR7434066A priority patent/FR2257929B1/fr
Priority to DE19742448432 priority patent/DE2448432C2/en
Priority to CH1370174A priority patent/CH591550A5/xx
Priority to JP11623774A priority patent/JPS5746538B2/ja
Priority to BE149430A priority patent/BE820958A/en
Priority to CA211,252A priority patent/CA1047822A/en
Publication of GB1462789A publication Critical patent/GB1462789A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/61—Halogen atoms or nitro radicals
    • 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
    • G03C1/30—Hardeners

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Pyridine Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

1462789 Quaternary pyridinium salts CIBAGEIGY AG 27 Sept 1974 [12 Oct 1973] 47669/73 Heading C2C [Also in Division G2] 2 - Chloro - 1 - methyl - pyridinium perchlorate is made by treating with sodium perchlorate solution a product obtained by reacting 2-chloropyridine with dimethyl sulphate. 1,1<SP>1</SP> - Trimethylene bis - (2 - chloropyridinium) perchlorate is made by treating with sodium perchlorate solution a product obtained by reacting phosphoryl chloride with 1,1<SP>1</SP>-trimethylene bis-(2-pyridine) obtained by oxidizing with potassium ferricyanide 1,1<SP>1</SP>-trimethylene bis-pyridinium chloride made by reacting pyridine with 1,3-dibromopropane.
GB4766973A 1973-10-12 1973-10-12 Gelatin hardening agents Expired GB1462789A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB4766973A GB1462789A (en) 1973-10-12 1973-10-12 Gelatin hardening agents
IT5345074A IT1029615B (en) 1973-10-12 1974-10-10 METHOD FOR MAKING A HARDENED GELAPINE LAYER
FR7434066A FR2257929B1 (en) 1973-10-12 1974-10-10
DE19742448432 DE2448432C2 (en) 1973-10-12 1974-10-10 Use of 2-halopyridinium compounds to harden gelatin
CH1370174A CH591550A5 (en) 1973-10-12 1974-10-11
JP11623774A JPS5746538B2 (en) 1973-10-12 1974-10-11
BE149430A BE820958A (en) 1973-10-12 1974-10-11 Method for producing a layer of hardened gelatin
CA211,252A CA1047822A (en) 1973-10-12 1974-10-11 Method of producing a hardened gelatin layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4766973A GB1462789A (en) 1973-10-12 1973-10-12 Gelatin hardening agents

Publications (1)

Publication Number Publication Date
GB1462789A true GB1462789A (en) 1977-01-26

Family

ID=10445852

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4766973A Expired GB1462789A (en) 1973-10-12 1973-10-12 Gelatin hardening agents

Country Status (8)

Country Link
JP (1) JPS5746538B2 (en)
BE (1) BE820958A (en)
CA (1) CA1047822A (en)
CH (1) CH591550A5 (en)
DE (1) DE2448432C2 (en)
FR (1) FR2257929B1 (en)
GB (1) GB1462789A (en)
IT (1) IT1029615B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH537974A (en) * 1970-07-07 1973-06-15 Ciba Geigy Ag Use of unsaturated onium compounds to crosslink gelatin

Also Published As

Publication number Publication date
FR2257929A1 (en) 1975-08-08
FR2257929B1 (en) 1979-06-08
JPS5078655A (en) 1975-06-26
BE820958A (en) 1975-04-11
IT1029615B (en) 1979-03-20
DE2448432A1 (en) 1975-04-24
CH591550A5 (en) 1977-09-30
JPS5746538B2 (en) 1982-10-04
DE2448432C2 (en) 1985-07-11
CA1047822A (en) 1979-02-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee