US3781228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laundry product containing enzyme
Assignee: Colgate Palmolive Co
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Filing: 1971-12-17
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Granted: 1973-12-25
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Expires: 1991-12-17
Abstract
Abstract LAUNDRY PRODUCT CONTAINING GRANULES OF A BINDING AGENT, SUCH AS POLYVINYL ALCOHOL OR CAROXYALKYL CELLULOSE, AND A DETERGENT BUILDER SALT, SUCH AS SODIUM TRIPOLYPHOSPHATE, AND BOUND TO AND SUBSTANTIALLY HOMOGENEOUSLY DISTRIBUTED ON THE SURFACE OF THE GRANULES, AN ENZYME.
Inventors
- 👤 R Mcdonnell
- 👤 Win M Hla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:29
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38609; B; B01; B01J; B01J2/00; B01J2/28; C11D11/00; C11D3/20; C11D3/22; C11D3/222; C11D3/225; C11D3/37; C11D3/3746; C11D3/3753; C11D3/38672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |