Patent US3557002A successfully refreshed from Google Patents.
US3557002A
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US
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Stabilized aqueous enzyme preparation
Assignee: Procter and Gamble Co
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Filing: 1967-11-15
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Granted: 1971-01-19
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Expires: 1987-11-15
Abstract
Abstract AQUEOUS ENZYME PREPARATION STABILIZED WITH A SHORT ALKYL CHAIN MONOHYDROXY ALCOHOL OR AN ALKOXY SHORT ALKYL CHAIN MONOHYDROXY ALCOHOL.
Inventors
- 👤 Charles Bruce Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:24
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/66; C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38663; C12; C12N; C12N9/00; C12N9/96; Y; Y10; Y10S; Y10S516/00; Y10S516/01
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |