US2673186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline detergent composition
Assignee: Procter and Gamble Co
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Filing: 1948-01-15
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Granted: 1954-03-23
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Expires: 1968-01-15
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wheelock
- 👤 William B Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:29
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D10/045; C11D10/042; C11D3/00; C11D3/40; C11D3/42; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/22; C11D1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A SOLID FORM DETERGENT COMPOSITION OF ALKALINE NATURE HAVING AN ENHANCED WHITENESS IN SUNLIGHT, COMPRISING ESSENTIALLY AN ALKALINE DETERGENT SELECTED FROM THE GROUP CONSISTING OF (A) WATER SOLUBLE ALKALI METAL SALTS OF HIGHER FATTY ACIDS, AND (B) NON-SOAP ANIONIC SYNTHETIC ORGANIC DETERGENTS; AND, IN A PROPORTION OF FROM ABOUT 0.0005% BY WEIGHT TO ABOUT 0.25% BY WEIGHT, COUMARIN DERIVATIVE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
63 words
A SOLID FORM DETERGENT COMPOSITION OF ALKALINE NATURE HAVING AN ENHANCED WHITENESS IN SUNLIGHT, COMPRISING ESSENTIALLY AN ALKALINE DETERGENT SELECTED FROM THE GROUP CONSISTING OF (A) WATER SOLUBLE ALKALI METAL SALTS OF HIGHER FATTY ACIDS, AND (B) NON-SOAP ANIONIC SYNTHETIC ORGANIC DETERGENTS; AND, IN A PROPORTION OF FROM ABOUT 0.0005% BY WEIGHT TO ABOUT 0.25% BY WEIGHT, COUMARIN DERIVATIVE 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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |