US2531166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent concentrate
Assignee: California Research LLC
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Filing: 1947-11-08
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Granted: 1950-11-21
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Expires: 1967-11-08
Abstract
No abstract record available.
Inventors
- 👤 Charles M Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:12
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43; D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A CONCENTRATED STABLE DISPERSOID OF AN ALKYL ARYL SULFONATE DETERGENT IN A LIQUID HYDROCARBON, SAID DISPERSOID COPRISING SAID LIQUID HYDROCARBON HAVING DISPERSED THERE IN FROM A MINIMUM OF 25-35% BY WEIGHT TO A MAXIMUM OF 40-50% BY WEIGHT, BASED ON SAID DISPERSOID, OF A DETERGENT CONSISTING OF A LONG CHAIN ALKYL ARYL SULFONATE DETERGENT CONSISTING PREDOMINANTLY OF ALKYL ARYL SULFONATES CONTAINING FROM 10 TO 16 CARBON ATOMS IN A SINGLE ALKYL SIDE CHAIN AND AN INORGANIC SALT BUILDER THEREFOR SELECTED FROM THE GROUP CONSISTING OF ALKALI SULFATES, ALKALI PHOSPHATES AND ALKALI PYROPHOSPHATES, AND FROM ABOUT 4 TO ABOUT 20% BY WEIGHT, BASED ON SAID DISPERSOID, OF AN ORGANIC SOLUBILIZER FORMT HE GROUP CONSISTING OF WATER SOLUBLE ALIPHATIC ALCOHOLS, KETONES, AND ETHER ALCOHOLS, SOLUBLE IN SAID LIQUID HYDROCARBON TO THE EXTENT OF AT LEAST ABOUT 5%.
Claim 2
Dependent Claim
135 words
A CONCENTRATED STABLE DISPERSOID OF AN ALKYL ARYL SULFONATE DETERGENT IN A LIQUID HYDROCARBON, SAID DISPERSOID COPRISING SAID LIQUID HYDROCARBON HAVING DISPERSED THERE IN FROM A MINIMUM OF 25-35% BY WEIGHT TO A MAXIMUM OF 40-50% BY WEIGHT, BASED ON SAID DISPERSOID, OF A DETERGENT CONSISTING OF A LONG CHAIN ALKYL ARYL SULFONATE DETERGENT CONSISTING PREDOMINANTLY OF ALKYL ARYL SULFONATES CONTAINING FROM 10 TO 16 CARBON ATOMS IN A SINGLE ALKYL SIDE CHAIN AND AN INORGANIC SALT BUILDER THEREFOR SELECTED FROM THE GROUP CONSISTING OF ALKALI SULFATES, ALKALI PHOSPHATES AND ALKALI PYROPHOSPHATES, AND FROM ABOUT 4 TO ABOUT 20% BY WEIGHT, BASED ON SAID DISPERSOID, OF AN ORGANIC SOLUBILIZER FORMT HE GROUP CONSISTING OF WATER SOLUBLE ALIPHATIC ALCOHOLS, KETONES, AND ETHER ALCOHOLS, SOLUBLE IN SAID LIQUID HYDROCARBON TO THE EXTENT OF AT LEAST ABOUT 5%.
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |