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Patent US2937997A successfully refreshed from Google Patents.
US2937997A
Expired / Lapsed
US
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Detergent compositions containing carboxy-esters of hydroxybenzimidazolyl-stilbenes
Assignee: STWB Inc
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Filing: 1958-06-20
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Granted: 1960-05-24
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Expires: 1978-06-20
Abstract
No abstract record available.
Inventors
- 👤 Nathan Norman Crounse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:25
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/20; C11; C11D; C11D3/00; C11D3/40; C11D3/42; C11D9/00; C11D9/04; C11D9/44; C11D9/448; D; D06; D06L; D06L4/00; D06L4/60; D06L4/607; D06L4/614; D06L4/621; D06L4/636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A DETERGENT COMPOSITION COMPRISING A DETERGENT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE SOAPS, WATER-SOLUBLE NON-SOAP SYNTHETIC ORGANIC ANIONIC DETERGENTS, AND WATER-SOLUBLE SYNTHETIC ORGANIC NON-IONIC DETERGENTS AND DISSOLVED THEREIN 0.02-0.5% BY WEIGHT OF A CARBOXY-ESTER HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
39 words
A DETERGENT COMPOSITION COMPRISING A DETERGENT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE SOAPS, WATER-SOLUBLE NON-SOAP SYNTHETIC ORGANIC ANIONIC DETERGENTS, AND WATER-SOLUBLE SYNTHETIC ORGANIC NON-IONIC DETERGENTS AND DISSOLVED THEREIN 0.02-0.5% BY WEIGHT OF A CARBOXY-ESTER HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |