US4822516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent composition for clothing incorporating a cellulase
Assignee: Kao Corp
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Filing: 1987-12-02
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Granted: 1989-04-18
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Expires: 2007-12-02
Abstract
Abstract A novel detergent composition for clothing comprises a cellulase having a non-degrading index of the following equation of not less than 500 <IMAGE> The composition can not only remove the dirt in clothing articles without damaging them but also show the effect of mitigating the roughness of cloth to the touch and the effect of preventing decoloration.
Inventors
- 👤 Akira Suzuki
- 👤 Susumu Ito
- 👤 Kikuhiko Okamoto
- 👤 Eiichi Hoshino
- 👤 Michio Yokosuka
- 👤 Moriyasu Murata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:13
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38645; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2434; C12N9/2437; C12Y; C12Y302/00; C12Y302/01; C12Y302/01004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A detergent composition for clothing which comprises at least one surface active agent and an amount of from 50 to 20,000 units, per kg of the detergent composition, in terms of an enzymatic activity determined when carboxymethyl cellulose (CMC) is used as a substrate of a cellulase selected from the group consisting of alkaline cellulase K, alkaline cellulase K-344, alkaline cellulase K-534, alkaline cellulase K-539, alkaline cellulase K577, alkaline cellulase K-425, alkaline cellulase K-521, alkaline cellulase K-580, alkaline cellulase K-588, alkaline cellulase K-597, alkaline cellulase K-522, CMCase I, CMCase II, alkaline cellulase E-Ii and alkaline cellulase E-III.
Claim 2
Dependent Claim
97 words
A detergent composition for clothing which comprises at least one surface active agent and an amount of from 50 to 20,000 units, per kg of the detergent composition, in terms of an enzymatic activity determined when carboxymethyl cellulose (CMC) is used as a substrate of a cellulase selected from the group consisting of alkaline cellulase K, alkaline cellulase K-344, alkaline cellulase K-534, alkaline cellulase K-539, alkaline cellulase K577, alkaline cellulase K-425, alkaline cellulase K-521, alkaline cellulase K-580, alkaline cellulase K-588, alkaline cellulase K-597, alkaline cellulase K-522, CMCase I, CMCase II, alkaline cellulase E-Ii and alkaline cellulase E-III.
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) | 1992-04-17 | 1992-10-17 | 1993-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-17 | 1996-10-17 | 1997-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-17 | 2000-10-17 | 2001-04-18 | $7700.00 | Window Closed / Lapsed |