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EP0075419A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Laundry bleach product

Assignee: Procter and Gamble Co
•
Filing: 1982-09-10
•
Granted: —
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Expires: 2002-09-10
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Abstract

Abstract A laundry bleaching product comprising a nonparticulate substrate, preferably a flexible sheet, having disposed thereon a composition comprising a peroxyacid bleach and a binder selected from certain types of surfactants, anionic aromatic hydrotropes and mixtures thereof.

Inventors

  • 👤 Dennis Ray Bacon
  • 👤 Frank Paul Bossu

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-26 19:16
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/041; C11D17/046; C11D3/00; C11D3/39; C11D3/3945

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 103 words
A laundry additive bleach product comprising: A. a substrate in the form of a nonparticulate solid article having disposed thereon, B. a bleach composition comprising: (i) from 1% to 50% of an organic peroxyacid compound having the formula: wherein R is an alkylene group of from 4 to 16 carbon atoms and Y is hydrogen, halogen or a radical selected from wherein M is hydrogen, alkali metal or ammonium; and (ii) from 5% to 98% of a binder selected from anionic surfactants, semi-polar surfactants, N,N-di(C 1 -C 3 )alkyl fatty acid amide surfactants, zwitterionic surfactants, cationic surfactants, anionic aromatic hydrotropes and mixtures thereof.
Claim 2
Dependent Claim 103 words
A laundry additive bleach product comprising: A. a substrate in the form of a nonparticulate solid article having disposed thereon, B. a bleach composition comprising: (i) from 1% to 50% of an organic peroxyacid compound having the formula: wherein R is an alkylene group of from 4 to 16 carbon atoms and Y is hydrogen, halogen or a radical selected from wherein M is hydrogen, alkali metal or ammonium; and (ii) from 5% to 98% of a binder selected from anionic surfactants, semi-polar surfactants, N,N-di(C 1 -C 3 )alkyl fatty acid amide surfactants, zwitterionic surfactants, cationic surfactants, anionic aromatic hydrotropes and mixtures thereof.
Claim 3
Dependent Claim 10 words
The product of Claim 1 wherein the substrate is water-insoluble.
Claim 4
Dependent Claim 19 words
The produc of either one of Claims 1 and 2 wherein the substrate is a woven or nonwoven fabric.
Claim 5
Dependent Claim 23 words
The product of any one of Claims 1-3 wherein the weight ratio of Component B to Component A is from 2:1 to 12:1.
Claim 6
Dependent Claim 19 words
The product of Claim 4 wherein in Component B(i) the amount of peroxyacid compound is from 10% to 50%.
Claim 7
Dependent Claim 21 words
The product of any one of Claims 1-5 wherein in the peroxy-acid compound R contains from 7 to 12 carbon atoms.
Claim 8
Dependent Claim 15 words
The product of any one of Claims 1-6 wherein in the peroxy-acid compound, Y is
Claim 11
Dependent Claim 28 words
The product of Claim 7 wherein the weight ratio of peroxyacid to binder is from 1:1 to 5:1, and the amount of peroxyacid is from 20% to 40%.
Claim 12
Dependent Claim 40 words
The product of either one of Claims 7 and 8 wherein the binder is selected from alkali metal C 10 -C 18 alkyl sulfates, alkali metal C 9 -C 15 linear alkylbenzene sulfonates, alkali metal cumene sulfonates and mixtures thereof.
Claim 13
Dependent Claim 14 words
The product of any one of Claims 7-9 wherein the peroxyacid is diperoxydodecanedioic acid.

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