Patent US4450089A successfully refreshed from Google Patents.
US4450089A
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Stabilized bleaching and laundering composition
Assignee: Colgate Palmolive Co
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Filing: 1982-10-21
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Granted: 1984-05-22
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Expires: 2002-10-21
Abstract
Abstract A particulate bleaching detergent composition is provided comprising (a) a bleaching agent comprising an inorganic peroxygen compound in combination with an activator therefor; (b) a polymer containing momomeric units of the formula <IMAGE> wherein R1 and R2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; and (c) one or more surface active detergent compounds.
Inventors
- 👤 Guy Broze
- 👤 Leopold Laitem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:12
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3937; C11D3/394; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3761
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
158 words
A particulate bleaching detergent composition comprising (a) from about 2 to 50%, by weight, of a bleaching agent consisting essentially of an alkali metal perborate in combination with an activator therefor; (b) from about 0.1 to about 5%, by weight, of a polymer containing monomeric units of the formula ##STR7## wherein R 1 and R 2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; (c) from about 3 to 50%, by weight, of at least one detergent surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents; (d) from about 0 to 10%, by weight, of a non-polymeric sequestering agent; (e) from about 1 to 60%, by weight, of a detergent builder salt other than that defined in (b) and (d); and (f) the balance comprising water and optionally filler salts.
Claim 2
Dependent Claim
158 words
A particulate bleaching detergent composition comprising (a) from about 2 to 50%, by weight, of a bleaching agent consisting essentially of an alkali metal perborate in combination with an activator therefor; (b) from about 0.1 to about 5%, by weight, of a polymer containing monomeric units of the formula ##STR7## wherein R 1 and R 2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; (c) from about 3 to 50%, by weight, of at least one detergent surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents; (d) from about 0 to 10%, by weight, of a non-polymeric sequestering agent; (e) from about 1 to 60%, by weight, of a detergent builder salt other than that defined in (b) and (d); and (f) the balance comprising water and optionally filler salts.
Claim 3
Dependent Claim
20 words
A composition in accordance with claim 1 wherein said bleaching agent comprises an alkali metal perborate in combination with TAED.
Claim 4
Dependent Claim
24 words
A composition in accordance with claim 1 wherein said TAED is contained in granules in combination with a mixture of sodium and potassium triphosphate.
Claim 5
Dependent Claim
42 words
A composition in accordance with claim 2 wherein said TAED has the following particle size distribution: 0-20% greater than 150 μm; 10-100% greater than 100 μm but less than 150 μm; 0-50% less than 75 μm; and 0-20% less than 50 μm.
Claim 6
Dependent Claim
22 words
A composition in accordance with claim 2 wherein about 50% of the particles of TAED have a size greater than 160 μm.
Claim 7
Dependent Claim
16 words
A composition in accordance with claim 1 wherein said sequestering agent comprises ethylene diamine tetraacetic acid.
Claim 8
Dependent Claim
142 words
A process for bleaching which comprises contacting the stained and/or soiled material to be bleached with an aqueous solution of a particulate bleaching detergent composition comprising: (a) from about 2 to 50%, by weight, of a bleaching agent consisting essentially of an alkali metal perborate in combination with an activator therefor; (b) from about 0.1 to about 5%, by weight based on the weight of said detergent composition, of a polymer containing momomeric units of the formula ##STR8## wherein R 1 and R 2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; and (c) from about 3 to 50%, by weight, of at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents.
Claim 9
Dependent Claim
142 words
A process for bleaching which comprises contacting the stained and/or soiled material to be bleached with an aqueous solution of a particulate bleaching detergent composition comprising: (a) from about 2 to 50%, by weight, of a bleaching agent consisting essentially of an alkali metal perborate in combination with an activator therefor; (b) from about 0.1 to about 5%, by weight based on the weight of said detergent composition, of a polymer containing momomeric units of the formula ##STR8## wherein R 1 and R 2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; and (c) from about 3 to 50%, by weight, of at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents.
Claim 10
Dependent Claim
30 words
The process of claim 7 wherein said composition additionally contains a builder salt other than that defined in (b) in an amount of from about 1 to 60%, by weight.
Claim 11
Dependent Claim
14 words
The process of claim 8 wherein said composition additionally contains a non-polymeric sequestering agent.
Claim 12
Dependent Claim
11 words
The process of claim 9 wherein said sequestering agent is EDTA.
Claim 13
Dependent Claim
18 words
The process of claim 8 wherein said bleaching agent comprises an alkali metal perborate in combination with TAED.
Claim 14
Dependent Claim
22 words
The process of claim 11 wherein said TAED is contained in granules in combination with a mixture of sodium and potassium triphosphate.
Claim 15
Dependent Claim
20 words
The process of claim 11 wherein about 50% of the particles of TAED have a size greater than 160 micrometers.
Claim 16
Dependent Claim
13 words
The process of claim 8 wherein said polymer is an alkali metal poly-alpha-hydroxyacrylate.
Claim 17
Dependent Claim
22 words
The process of claim 8 wherein the concentration of polymer in said composition is from about 0.5 to about 3%, by weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |