Patent US3563901A successfully refreshed from Google Patents.
US3563901A
Expired / Lapsed
US
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Rinse aid compositions
Assignee: WR Grace and Co
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Filing: 1970-02-26
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Granted: 1971-02-16
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Expires: 1990-02-26
Abstract
Abstract THE INVENTION DISCLOSED IS DIRECTED TO A RINSE FOR USE IN MECHANICAL DISHWASHING MACHINES AND INCLUDES PRESCRIBED AMOUNTS OF AN ALKALI METAL OR AMMONIUM SALT OF AN ALCOHOL SULFATE OF THE FORMULA ROSO3H WHERE R IS AN ALKYL GROUP HAVING ABOUT 5 TO 9 CARBON ATOMS, AND PRESCRIBED AMOUNTS OF A DEFINED MONIOMIC SURFACTANT. THE RINSE AID MAY FURTHER INCLUDE MATERIALS SUCH AS DEFOAMING AGENTS, SOLVENTS, INGREDIENTS TO PRECIPITATE HARD WATER SALTS, AND THE LIKE.
Inventors
- 👤 Homer Edward Crotty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:36
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/34; C11D3/3409; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/66; C11D1/83; C11D3/0005; C11D3/0026; C11D1/008; C11D1/72
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |