DE69425852T2 - Stabilized bleaching compositions - Google Patents

Stabilized bleaching compositions

Info

Publication number
DE69425852T2
DE69425852T2 DE69425852T DE69425852T DE69425852T2 DE 69425852 T2 DE69425852 T2 DE 69425852T2 DE 69425852 T DE69425852 T DE 69425852T DE 69425852 T DE69425852 T DE 69425852T DE 69425852 T2 DE69425852 T2 DE 69425852T2
Authority
DE
Germany
Prior art keywords
composition
particle size
particles
alkali metal
bleaching compositions
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.)
Revoked
Application number
DE69425852T
Other languages
German (de)
Other versions
DE69425852D1 (en
Inventor
Gerard Marcel Baillely
Graham Alexander Sorrie
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble 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 Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of DE69425852D1 publication Critical patent/DE69425852D1/en
Application granted granted Critical
Publication of DE69425852T2 publication Critical patent/DE69425852T2/en
Anticipated expiration legal-status Critical
Revoked 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
    • C11D3/10—Carbonates ; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C01B15/106—Stabilisation of the solid compounds, subsequent to the preparation or to the crystallisation, by additives or by coating
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3937—Stabilising agents
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds

Abstract

There is provided a bleaching composition comprising alkali metal percarbonate as an oxygen releasing compound and alkali metal carbonate or bicarbonate particles of defined size (mean particle size of 250 mu m or greater) preferably fewer than 20 % of the particles have a particle size of below 250 mu m and fewer than 5 % of the particles have a particle size of below 150 mu m. The particulate bleaching composition may form a component of a machine dishwashing composition, a bleach booster composition or in particular a laundry detergent composition. The percarbonate has increased storage stability in the compositions of the invention.
DE69425852T 1993-07-14 1994-07-12 Stabilized bleaching compositions Revoked DE69425852T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93870143 1993-07-14

Publications (2)

Publication Number Publication Date
DE69425852D1 DE69425852D1 (en) 2000-10-19
DE69425852T2 true DE69425852T2 (en) 2001-04-12

Family

ID=8215372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425852T Revoked DE69425852T2 (en) 1993-07-14 1994-07-12 Stabilized bleaching compositions

Country Status (6)

Country Link
JP (1) JPH09500165A (en)
AT (1) ATE196308T1 (en)
CA (1) CA2167160C (en)
DE (1) DE69425852T2 (en)
ES (1) ES2149839T3 (en)
WO (1) WO1995002676A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939276A1 (en) * 2006-12-29 2008-07-02 Solvay SA Use of a blend containing percarbonate for detergents and dishwashing formulations

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170453A (en) * 1977-06-03 1979-10-09 The Procter & Gamble Company Peroxyacid bleach composition
CA1158129A (en) * 1980-03-27 1983-12-06 Dennis Postlethwaite Detergent bleach compositions
GB8710690D0 (en) * 1987-05-06 1987-06-10 Unilever Plc Detergent bleach composition

Also Published As

Publication number Publication date
ATE196308T1 (en) 2000-09-15
ES2149839T3 (en) 2000-11-16
JPH09500165A (en) 1997-01-07
DE69425852D1 (en) 2000-10-19
CA2167160C (en) 2000-12-26
WO1995002676A1 (en) 1995-01-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation