US4443352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicate-free bleaching and laundering composition
Assignee: Colgate Palmolive Co
•
Filing: 1982-03-04
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Granted: 1984-04-17
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Expires: 2002-03-04
Abstract
Abstract An improved granular bleaching detergent composition is provided comprising (a) a bleaching agent comprising a peroxyacid compound and/or a water-soluble salt thereof; and (b) at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents; said bleaching detergent composition being substantially free of silicate compounds.
Inventors
- 👤 Guy Broze
- 👤 Leopold Laitem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:29
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3942; C11D3/3945
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
70 words
A process for bleaching which comprises contacting the stained and/or soiled material to be bleached with an aqueous solution of a granular bleaching detergent composition comprising: (a) a bleaching agent comprising a peroxyacid compound and/or a water-soluble salt thereof; and (b) at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents; said bleaching detergent composition being substantially free of silicate compounds.
Claim 2
Dependent Claim
70 words
A process for bleaching which comprises contacting the stained and/or soiled material to be bleached with an aqueous solution of a granular bleaching detergent composition comprising: (a) a bleaching agent comprising a peroxyacid compound and/or a water-soluble salt thereof; and (b) at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents; said bleaching detergent composition being substantially free of silicate compounds.
Claim 3
Dependent Claim
17 words
The process of claim 1 wherein the bleaching agent comprises monoperoxyphthalic acid and/or a water-soluble salt thereof.
Claim 4
Dependent Claim
12 words
The process of claim 2 where the bleaching agent comprises magnesium monoperoxyphthalate.
Claim 5
Dependent Claim
14 words
The process of claim 1 wherein the bleaching agent also contains a peroxygen compound.
Claim 6
Dependent Claim
16 words
The process of claim 1 wherein said surface active agent comprises a linear alkyl benzene sulfonate.
Claim 7
Dependent Claim
13 words
The process of claim 1 wherein said composition also contains a sequestering agent.
Claim 8
Dependent Claim
14 words
The process of claim 6 wherein said sequestering agent comprises ethylene diamine tetraacetic acid.
Claim 9
Dependent Claim
14 words
The process of claim 1 wherein said composition also contains a detergent builder salt.
Claim 10
Dependent Claim
12 words
The process of claim 8 wherein said builder salt comprises pentasodium tripolyphosphate.
References Cited (Backward Citations)
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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) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |