Patent US3813343A successfully refreshed from Google Patents.
US3813343A
Expired / Lapsed
US
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Dimethyl sulfoxide containing cleaner compositions
Assignee: Reckitt and Colman Subsidiary Corp
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Filing: 1972-01-10
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Granted: 1974-05-28
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Expires: 1992-01-10
Abstract
Abstract CLEANING COMPOSITIONS ARE DESCRIBED COMPRISING (A) A NON-CAUSTIC INORGANIC CLEANER, (B) AN AMINE AND/OR AMMONIA, (C) AN ORGANIC SOLVENT INSOLUBLE OR PARTIALLY SOLUBLE IN WATER, AND (D) DIMETHYL SULFOXIDE. THESE COMPOSITIONS ARE USEFUL IN REMOVING DEPOSITS SUCH AS GREASE, OIL, FOOD, ETC. FROM SURFACE SUCH AS OVEN WALLS.
Inventors
- 👤 C Mukai
- 👤 B Weinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:58
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43; C11D3/0005; C11D3/0057; C11D3/16; C11D3/26; C11D3/30; C11D3/34; C11D3/3445; C11D7/00; C11D7/02; C11D7/04; C11D7/06
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |