Patent US3741901A successfully refreshed from Google Patents.
US3741901A
Expired / Lapsed
US
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Washing compositions and process
Assignee: PMP ACQUISITION Corp A DE CORP
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Filing: 1970-08-07
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Granted: 1973-06-26
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Expires: 1990-08-07
Abstract
Abstract WATER SOLUBLE SULFITES AND BISULFITES ARE USED TO INCREASE WASHING EFFECTIVENESS OF DETERGENT COMPOSITIONS, ESPECIALLY THOSE CONTAINING BACTERIAL PROTEASE AND/OR BACTERIAL AMYLASE, AND TO GIVE A BUFFERED PH LEVEL, PRACTICULARLY WHERE OTHER COMPONENTS GIVE TOO HIGH A PH WHICH WOULD NORMALLY AFFECT THE STABILITY OF SAID ENZYMES.
Inventors
- 👤 J Ziffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:01
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0042; C11D3/16; C11D3/38; C11D3/386; C11D3/38609
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |