Patent US3000832A successfully refreshed from Google Patents.
US3000832A
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US
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Detergent compositions
Assignee: Shell USA Inc
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Filing: 1956-09-10
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Granted: 1961-09-19
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Expires: 1976-09-10
Abstract
No abstract record available.
Inventors
- 👤 Pieter L Kooijman
- 👤 Petrus W Slokker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:13
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/83; C11D1/02; C11D1/37; C11D1/12; C11D1/14; C11D1/22; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A DETERGENT COMPOSITION FORMING COLD STABLE AQUEOUS SOLUTIONS OF ABOUT 10% TO ABOUT 50% DETERGENT CONTENT, CONSISTING ESSENTIALLY OF AN ALKYL ARYL HYDROCARBON MONOSULFONIC ACID WATER-SOLUBERL SALT HAVING AN ALKYL GROUP OF 8 TO 9 CARBON ATOMS BUT ESSENTIALLY FREE OF ALKYL ARYL SULFONATE SALTS CONTAINING ALKYL GROUPS OF LESS THAN 8 AND MORE THAN 13 CARBON ATOMS, TOGETHER WITH A SECONDARY ALKYL SULFATE SALT CONSISTING ESSENTIALLY OF A SECONDARY ALKYL SULFATE WATER-SOLUBLE SALT HAVING AT LEAST 8 TO 9 BUT NOT MORE THAN 18 CARBON ATOMS PER MOLECULE, SAID SULFONATE AND ALKYL SULFATE SALT BEING PRESENT IN A WEIGHT RATIO OF FROM 60:40 TO 20:80, AND AN ALKYL PHENOL POLYETHYLENE GLYCOL MONOEHTER HAVING 7 TO 9 CARBON ATOMS IN THE ALKYL GROUP AND 8 TO 10 ETHYLENE GLYCOL UNITS IN THE MOLECULE, THE AMOUNT OF SAID ETHER BEING BETWEEN ABOUT 2% AND ABOUT 30% OF THE TOTAL WEIGHT OF THE DETERGENT COMPOSITION.
Claim 2
Dependent Claim
153 words
A DETERGENT COMPOSITION FORMING COLD STABLE AQUEOUS SOLUTIONS OF ABOUT 10% TO ABOUT 50% DETERGENT CONTENT, CONSISTING ESSENTIALLY OF AN ALKYL ARYL HYDROCARBON MONOSULFONIC ACID WATER-SOLUBERL SALT HAVING AN ALKYL GROUP OF 8 TO 9 CARBON ATOMS BUT ESSENTIALLY FREE OF ALKYL ARYL SULFONATE SALTS CONTAINING ALKYL GROUPS OF LESS THAN 8 AND MORE THAN 13 CARBON ATOMS, TOGETHER WITH A SECONDARY ALKYL SULFATE SALT CONSISTING ESSENTIALLY OF A SECONDARY ALKYL SULFATE WATER-SOLUBLE SALT HAVING AT LEAST 8 TO 9 BUT NOT MORE THAN 18 CARBON ATOMS PER MOLECULE, SAID SULFONATE AND ALKYL SULFATE SALT BEING PRESENT IN A WEIGHT RATIO OF FROM 60:40 TO 20:80, AND AN ALKYL PHENOL POLYETHYLENE GLYCOL MONOEHTER HAVING 7 TO 9 CARBON ATOMS IN THE ALKYL GROUP AND 8 TO 10 ETHYLENE GLYCOL UNITS IN THE MOLECULE, THE AMOUNT OF SAID ETHER BEING BETWEEN ABOUT 2% AND ABOUT 30% OF THE TOTAL WEIGHT OF THE DETERGENT COMPOSITION.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |