GB492589A - Method of avoiding the formation of zinc stains on laundry boiled in zinc-lined vessels - Google Patents

Method of avoiding the formation of zinc stains on laundry boiled in zinc-lined vessels

Info

Publication number
GB492589A
GB492589A GB4705/37A GB470537A GB492589A GB 492589 A GB492589 A GB 492589A GB 4705/37 A GB4705/37 A GB 4705/37A GB 470537 A GB470537 A GB 470537A GB 492589 A GB492589 A GB 492589A
Authority
GB
United Kingdom
Prior art keywords
zinc
stains
formation
avoiding
lined vessels
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
GB4705/37A
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.)
Kohle und Eisenforschung GmbH
Original Assignee
Kohle und Eisenforschung GmbH
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 Kohle und Eisenforschung GmbH filed Critical Kohle und Eisenforschung GmbH
Publication of GB492589A publication Critical patent/GB492589A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0042—Reducing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

Laundry-washing compositions contain about 3 per cent of sodium thiosulphate, hydrosulphite, or disulphide whereby the formation of stains when using zinc-lined vessels is prevented. Reference has been directed by the Comptroller to Specification 7550/87, [Class 91].
GB4705/37A 1936-02-17 1937-02-17 Method of avoiding the formation of zinc stains on laundry boiled in zinc-lined vessels Expired GB492589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE492589X 1936-02-17

Publications (1)

Publication Number Publication Date
GB492589A true GB492589A (en) 1938-09-19

Family

ID=6544431

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4705/37A Expired GB492589A (en) 1936-02-17 1937-02-17 Method of avoiding the formation of zinc stains on laundry boiled in zinc-lined vessels
GB3764/38A Expired GB495249A (en) 1936-02-17 1937-08-04 Method of avoiding the formation of zinc stains on laundry boiled in zinc-lined vessels

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3764/38A Expired GB495249A (en) 1936-02-17 1937-08-04 Method of avoiding the formation of zinc stains on laundry boiled in zinc-lined vessels

Country Status (3)

Country Link
BE (1) BE419996A (en)
FR (1) FR817828A (en)
GB (2) GB492589A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660589A (en) * 1950-10-07 1953-11-24 Lever Brothers Ltd Elimination of objectionable odors from soap
US3653804A (en) * 1966-12-31 1972-04-04 Basf Ag Bleaching of wood pulp with dithionite solution stabilized by zinc compound

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660589A (en) * 1950-10-07 1953-11-24 Lever Brothers Ltd Elimination of objectionable odors from soap
US3653804A (en) * 1966-12-31 1972-04-04 Basf Ag Bleaching of wood pulp with dithionite solution stabilized by zinc compound

Also Published As

Publication number Publication date
FR817828A (en) 1937-09-11
GB495249A (en) 1938-11-09
BE419996A (en)

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