US3606990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for washing laundry and detergent composition for working of this process
Assignee: Colgate Palmolive Co
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Filing: 1970-02-12
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Granted: 1971-09-21
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Expires: 1990-02-12
Abstract
Abstract A process for bleaching and washing which comprises treating a stained cloth or the like with an aqueous solution containing a water-soluble peroxide bleaching agent said treatment being carried out in the presence of a compound capable of inhibiting enzyme-induced decomposition of said bleaching agent.
Inventors
- 👤 Michel Rene Roger Gobert
- 👤 Gerard Mouret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:15
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
14 words
A process according to claim 1 wherein said bleaching agent is sodium perborate tetrahydrate.
Claim 2
Dependent Claim
14 words
A process according to claim 1 wherein said bleaching agent is sodium perborate monohydrate.
Claim 3
Dependent Claim
25 words
A process according to claim 1 wherein said cloth is presoaked in aqueous media prior to contact with said aqueous solution containing peroxide bleaching agent.
Claim 4
Dependent Claim
20 words
A process according to claim 1 wherein said presoaking is effected in the presence of effective quantities of said inhibitor.
Claim 5
Dependent Claim
45 words
A process according to claim 1 wherein said inhibitor is selected from the group consisting of hydroxylamine hydrochloride, hydroxylamine sulfate, hydrazine hydrochloride, 2, 4-dinitrophenolhydrazine, p-chlorophenol, 4-chloro-2-aminophenol, o-cresol, p-chloro-m-cresol, 2,4-dichlorophenol, resorcinol, pyrocatechol, pyrogallol, beta-naphthol, 2,7-dihydroxynaphthalene, hydroquinone, hydroquinone sulfate, 1,2-naphthoquinone, 1,2-cyclohexanediol, aminotriazole, sodium chlorate and sodium nitride.
Claim 6
Dependent Claim
29 words
A process according to claim 1 wherein said inhibitor is selected from the group consisting of formaldehyde, sodium hypochlorite, potassium salt chlorocyanuric acid and potassium salt of monopersulfuric acid.
Claim 7
Dependent Claim
12 words
A process according to claim 6 wherein said inhibitor is hydroxylamine hydrochloride.
Claim 8
Dependent Claim
12 words
A process according to claim 6 wherein said inhibitor is hydroxylamine sulfate.
Claim 9
Dependent Claim
12 words
A process according to claim 6 wherein said inhibitor is hydrazine hydrochloride.
Claim 10
Dependent Claim
12 words
A process according to claim 6 wherein said inhibitor is sodium nitride.
Claim 11
Dependent Claim
11 words
A process according to claim 6 wherein said inhibitor is p-chlorophenol.
Claim 12
Dependent Claim
11 words
A process according to claim 6 wherein said inhibitor is 4-chloro-2-aminophenoL.
Claim 13
Dependent Claim
11 words
A process according to claim 6 wherein said inhibitor is resorcinol.
Claim 14
Dependent Claim
11 words
A process according to claim 6 wherein said inhibitor is hydroquinone.
Claim 15
Dependent Claim
17 words
A process according to claim 6 wherein said inhibitor is present in said substance (a) or (c).
Claim 16
Dependent Claim
12 words
A process according to claim 7 wherein said inhibitor is sodium hypochlorite.
Claim 17
Dependent Claim
12 words
A process according to claim 7 wherein said inhibitor is potassium dichlorocyanurate.
Claim 18
Dependent Claim
12 words
A process according to claim 7 wherein said inhibitor is potassium monopersulfate.
Claim 19
Dependent Claim
11 words
A process according to claim 7 wherein said inhibitor is formaldehyde.
Claim 20
Dependent Claim
111 words
A bleaching composition consisting essentially of on a weight basis (I) from about 0.1 percent to about 15 percent of hydroxylamine salt as inhibitor compound capable of inhibiting enzyme-induced decomposition of water soluble inorganic peroxide bleaching agent and (II) a substance selected from the group consisting of (a) from about 2 percent to about 85 percent of a water soluble inorganic peroxide bleaching agent, (b) from about 5 percent to about 99 percent of a water soluble organic detergent and (c) mixtures of (a) and (b) with the provision that in the case of mixtures of (a) and (b), at least about 10 percent being each of bleaching agent and detergent.
Claim 21
Dependent Claim
65 words
A composition according to claim 21 wherein said substance is selected from the group consisting of from about 2 percent to about 85 percent of a water soluble inorganic peroxide bleaching agent and mixtures of from about 10 percent to about 85 percent of a water soluble inorganic peroxide bleaching agent with from about 10 percent to about 99 percent of a water-soluble organic detergent.
Claim 22
Dependent Claim
14 words
A composition according to claim 21 wherein said bleaching agent is sodium perborate tetrahydrate.
Claim 23
Dependent Claim
14 words
A composition according to claim 21 wherein said bleaching agent is sodium perborate monohydrate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |