GB1259121A - - Google Patents

Info

Publication number
GB1259121A
GB1259121A GB3687568A GB1259121DA GB1259121A GB 1259121 A GB1259121 A GB 1259121A GB 3687568 A GB3687568 A GB 3687568A GB 1259121D A GB1259121D A GB 1259121DA GB 1259121 A GB1259121 A GB 1259121A
Authority
GB
United Kingdom
Prior art keywords
dithionite
surfactant
weight
composition
alcohol
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
GB3687568A
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 filed Critical
Publication of GB1259121A publication Critical patent/GB1259121A/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
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)
    • C01B17/665—Stabilisation by additives subsequent to preparation; Dust prevention by additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/30—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using reducing agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/221—Reducing systems; Reducing catalysts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/13—Fugitive dyeing or stripping dyes
    • D06P5/138—Fugitive dyeing or stripping dyes fugitive dyeing

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,259,121. Dithionite compositions. ALBRIGHT & WILSON Ltd. 30 July, 1969 [1 Aug., 1968], No. 36875/68. Heading D1P. A stabilised substantially anhydrous uniform composition which may be used as a bleaching and reducing agent comprises a metallic dithionite and a cationic, non-ionic or amphoteric surfactant. The preferred dithionite, which may be used as the hydrosulphite, is that of sodium. The surfactant may be formed from ethylene oxide and an aliphatic alcohol, e.g. cetyl and/or stearyl alcohol with a molar ratio of 15-25:1 of oxide: alcohol. Examples are given of suitable surfactants, all of which may be used in compositions containing 0.5 to 40% by weight of surfactant by weight of dithionite. Freeflowing agents, e.g. urea may also be added to the composition in concentration of from 60 to 100% by weight based on the weight of surfactant. The composition may be prepared by adding the dithionite to a melt of the surfactant and cooling to form a solid followed by crushing in a disintegrating mill to form a crushed intimate mixture.
GB3687568A 1968-08-01 1968-08-01 Expired GB1259121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3687568 1968-08-01

Publications (1)

Publication Number Publication Date
GB1259121A true GB1259121A (en) 1972-01-05

Family

ID=10391894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3687568A Expired GB1259121A (en) 1968-08-01 1968-08-01

Country Status (2)

Country Link
DE (1) DE1938315C3 (en)
GB (1) GB1259121A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5114698A (en) * 1990-08-15 1992-05-19 Hoechst Celanese Corporation Method for stabilizing sodium dithionite
US5296210A (en) * 1992-12-31 1994-03-22 Hoechst Celanese Corporation Stabilized sodium dithionite

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL301295A (en) * 1962-12-11
GB1117930A (en) * 1966-01-24 1968-06-26 Baumann Ludwig Improvements in or relating to a non-aqueous stain removing and bleaching composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5114698A (en) * 1990-08-15 1992-05-19 Hoechst Celanese Corporation Method for stabilizing sodium dithionite
US5296210A (en) * 1992-12-31 1994-03-22 Hoechst Celanese Corporation Stabilized sodium dithionite

Also Published As

Publication number Publication date
DE1938315B2 (en) 1980-09-18
DE1938315A1 (en) 1970-10-01
DE1938315C3 (en) 1983-03-17

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Legal Events

Date Code Title Description
PS Patent sealed
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee