US2921907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap stabilization
Assignee: Monsanto Chemicals Ltd
•
Filing: 1955-01-07
•
Granted: 1960-01-19
•
Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 John G Kleyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:22
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; C11D3/0005; C11D3/0042; C11D9/00; C11D9/04; C11D9/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE METHOD OF IMPROVING THE LIGHT STABILITY OF AN ANTISEPTIC DETERGENT COMPOSITION COMPRISING A DETERGENT SOAP CONTAINING A MINOR PROPORTION OF A PHENOLIC ANTISEPTIC EFFECTIVE IN THE PRESENCE OF SOAP AND SELECTED FROM THE GROUP CONSISTING OF THIOBIS(CHLORO PHENOL) ANTISEPTICS, METHYLENE-BIS(CHLO PHENOL) ANTISEPTICS AND 2,2''-THIOBIS P-CRESOL, WHICH ANTISEPTIC DISCOLORS THE SOAP WHEN THE COMPOSITION IS EXPOSED TO LIGHT WHICH COMPRISES INCORPORATING THEREIN A SMALL AMOUNT SUFFICIENT TO INCREASE THE LIGHT STABILITY, OF A MILD REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM SULFITE, SODIUM BISULFITE AND SODIUM HYDROSULFITE TOGETHER WITH A SMALL AMOUNT SUFFICIENT FURTHER TO INCREASE THE LIGHT STABILITY OF AN ULTRA VIOLET ABSORBER SELECGED FROM THE GROUP CONSISTING OF 2HYDROXY 4-METHOXY BENZOPHENONE, 2-HYDROXY 4,4''-DIMETHOXY BENZOPHENONE, ISOBUTYL P-AMION BENZOATE AND N-BUTYL-P-AMION BENZOATE.
Claim 2
Independent Claim
124 words
THE METHOD OF IMPROVING THE LIGHT STABILITY OF AN ANTISEPTIC DETERGENT COMPOSITION COMPRISING A DETERGENT SOAP CONTAINING A MINOR PROPORTION OF A PHENOLIC ANTISEPTIC EFFECTIVE IN THE PRESENCE OF SOAP AND SELECTED FROM THE GROUP CONSISTING OF THIOBIS(CHLORO PHENOL) ANTISEPTICS, METHYLENE-BIS(CHLO PHENOL) ANTISEPTICS AND 2,2''-THIOBIS P-CRESOL, WHICH ANTISEPTIC DISCOLORS THE SOAP WHEN THE COMPOSITION IS EXPOSED TO LIGHT WHICH COMPRISES INCORPORATING THEREIN A SMALL AMOUNT SUFFICIENT TO INCREASE THE LIGHT STABILITY, OF A MILD REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM SULFITE, SODIUM BISULFITE AND SODIUM HYDROSULFITE TOGETHER WITH A SMALL AMOUNT SUFFICIENT FURTHER TO INCREASE THE LIGHT STABILITY OF AN ULTRA VIOLET ABSORBER SELECGED FROM THE GROUP CONSISTING OF 2HYDROXY 4-METHOXY BENZOPHENONE, 2-HYDROXY 4,4''-DIMETHOXY BENZOPHENONE, ISOBUTYL P-AMION BENZOATE AND N-BUTYL-P-AMION BENZOATE.
References Cited (Backward Citations)
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US2693492A
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US2029506A
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US2535077A
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US2568894A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |