Patent US3640877A successfully refreshed from Google Patents.
US3640877A
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US
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Detergent
Assignee: MICHAEL R R GOBERT
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Filing: 1969-04-17
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Granted: 1972-02-08
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Expires: 1989-04-17
Abstract
Abstract DETERGENT PREPARATION CONTAINING SYSTEM OF GLUCOSE AND GLUCOSE OXIDASE OR STARCH, AMYLOGLUCOSIDASE AND GLUCOSE OXIDASE AS PRECURSOR OF HYDROGEN PEROXIDE AND A HYDROXYLAMINE WHICH STABILIZES THE HYDROGEN PEROXIDE FORMED DURING USE OF THE DETERGENT.
Inventors
- 👤 Michael R R Gobert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:40
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/221; C11D3/39; C11D3/3902; C11D3/3937; C11D3/394
Claims Analysis
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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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |