US3799879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cleaning dishes and the like
Assignee: Lever Brothers Co
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Filing: 1972-04-27
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Granted: 1974-03-26
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Expires: 1992-04-27
Abstract
Abstract THIS INVENTION RELATES TO A METHOD FOR CLEANING DISHES AND THE LIKE, AND COMPRISES APPLYING TO THE DISHES AN AQUEOUS SOLUTION OF A DISHWASHING COMPOSITION CONTAINING AN AMYLOLYTIC ENZYME PREPARED FROM BACTERIA OR FUNGI TOGETHER WITHA DETERGENT SURFACTANT AND A WATER-SOLUBLE BULIDER SALT. THE COMPOSITION HAS A PH OF 7 TO 9 AT A CONCENTRATION OF 3G. PER LITER IN AQUEOUS SOLUTION.
Inventors
- 👤 A Francke
- 👤 K Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:14
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |