GB1310242A - Ammonium thiosulphate - Google Patents

Ammonium thiosulphate

Info

Publication number
GB1310242A
GB1310242A GB1113870A GB1113870A GB1310242A GB 1310242 A GB1310242 A GB 1310242A GB 1113870 A GB1113870 A GB 1113870A GB 1113870 A GB1113870 A GB 1113870A GB 1310242 A GB1310242 A GB 1310242A
Authority
GB
United Kingdom
Prior art keywords
ammonium thiosulphate
march
photographic
fixer
aqueous
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
GB1113870A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of GB1310242A publication Critical patent/GB1310242A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1310242 Photographic aqueous fixing agent FARBWERKE HOECHST A G 9 March 1970 [7 March 1969] 11138/70 Heading G2C [Also in Division C1] The invention comprises aqueous photographic fixer solutions and fixer concentrates, of pH 4 to 6 comprising ammonium thiosulphate, an alkali metal sulphite and more than 0À1% by weight of dicyano-diamide. A chelating agent may also be present if desired.
GB1113870A 1969-03-07 1970-03-09 Ammonium thiosulphate Expired GB1310242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691911609 DE1911609C3 (en) 1969-03-07 1969-03-07 Photographic Fixing Salt Mixture

Publications (1)

Publication Number Publication Date
GB1310242A true GB1310242A (en) 1973-03-14

Family

ID=5727421

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1113870A Expired GB1310242A (en) 1969-03-07 1970-03-09 Ammonium thiosulphate

Country Status (6)

Country Link
BE (1) BE747048A (en)
CH (1) CH538426A (en)
DE (1) DE1911609C3 (en)
FR (1) FR2037824A5 (en)
GB (1) GB1310242A (en)
SE (1) SE355874B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618658A (en) * 1995-02-22 1997-04-08 Fuji Hunt Photographic Chemicals, Inc. Process for producing an ammonium thiosulfate product

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055384A (en) * 1989-05-10 1991-10-08 Agfa Gevaert Aktiengesellschaft Granulated photographic fixative and its preparation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618658A (en) * 1995-02-22 1997-04-08 Fuji Hunt Photographic Chemicals, Inc. Process for producing an ammonium thiosulfate product

Also Published As

Publication number Publication date
DE1911609A1 (en) 1970-09-17
DE1911609C3 (en) 1975-10-16
DE1911609B2 (en) 1975-02-13
BE747048A (en) 1970-09-09
FR2037824A5 (en) 1970-12-31
SE355874B (en) 1973-05-07
CH538426A (en) 1973-06-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees