Patent US3751222A successfully refreshed from Google Patents.
US3751222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A process of cleaning cloth
Assignee: Colgate Palmolive Co
•
Filing: 1971-12-13
•
Granted: 1973-08-07
•
Expires: 1991-12-13
Abstract
Abstract Detergent composition for soaking or washing containing organic detergent, enzyme and hydroxylamine compound or hydrazine compound. Peroxygen compound may also be present.
Inventors
- 👤 M Gobert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:27
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/30; C11D3/38; C11D3/386
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
20 words
A process of cleaning cloth as in claim 1 in which the organic detergent is an anionic surface active agent.
Claim 2
Dependent Claim
27 words
A process of cleaning cloth as in claim 1 in which about 50 to 90 percent by weight of a water-soluble inorganic builder salt is also present.
Claim 3
Dependent Claim
26 words
A process of cleaning cloth as in claim 1 in which about 50 to 90 percent by weight of an organic sequestering agent is also present.
Claim 4
Dependent Claim
17 words
A process of cleaning cloth as in claim 1 in which said compound is a hydrazine compound.
Claim 5
Dependent Claim
17 words
A process of cleaning cloth as in claim 1 in which said compound is a hydroxylamine compound.
Claim 6
Dependent Claim
16 words
A process of cleaning cloth as in claim 1 in which said compound is phenyl hydrazine.
Claim 7
Dependent Claim
16 words
A process of cleaning cloth as in claim 1 in which said compound is N-phenyl-N''-carbamyl hydrazine.
Claim 8
Dependent Claim
27 words
A process of cleaning cloth as in claim 1 wherein said cloth is soaked in water containing said composition and then washed in water containing said composition.
Claim 9
Dependent Claim
29 words
A process of cleaning cloth as in claim 1 in which sodium perborate is also present in said composition in amount of about 3 to 35 percent by weight.
Claim 10
Dependent Claim
16 words
A process of cleaning cloth as in claim 6 in which said compound is hydroxylamine sulfate.
Claim 11
Dependent Claim
27 words
A process of cleaning cloth as in claim 9 wherein said cloth is soaked in water containing said composition and then washed in water containing said composition.
References Cited (Backward Citations)
US2077103A
Cited
US2110649A
Cited
US2730428A
Cited
US2914374A
Cited
US3348903A
Cited
US3351655A
Cited
US3519379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |