US3708429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning compositions
Assignee: Lever Brothers Co
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Filing: 1971-02-25
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Granted: 1973-01-02
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Expires: 1991-02-25
Abstract
Abstract A SUBSTANTIALLY ANHYDROUS CLEANING COMPOSITION INCORPORATES A SURFACE ACTIVE AGENT, AN ALKALINE CATALYST AND AN ACID RELEASE AGENT IN A LOWER ALIPHATIC ALCOHOL. THE UNDILUTED COMPOSITION IS STRONGLY ALKALINE AND IS EFFECTIVE FOR REMOVING FATTY SOILS FROM PANS AND THE LIKE, IS BUT WHEN THE COMPOSITION IS ADDED TO THE WATER AND THE ACID RELEASE AGENT TENDS TO LOWER THE ALKALINITY TO AN ACCEPTABLE LEVEL FOR DISHWASHING PURPOSES.
Inventors
- 👤 P Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:19
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/044; C11D17/00; C11D17/0039; C11D3/0005; C11D3/0047; C11D3/06; C11D3/16; C11D3/20; C11D3/2003; C11D3/2006; C11D3/201; C11D3/2075; C11D3/2086; C11D3/26; C11D3/30; C11D3/43
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |