US2615847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaryl sulfonate detergents
Assignee: Atlantic Richfield Co
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Filing: 1950-01-27
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Granted: 1952-10-28
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Expires: 1970-01-27
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:32
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D3/00; C11D3/16; C11D3/34; C11D3/3418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A DETERGENT IN WHICH THE ACTIVE INGREDIENTS COMPRISE A MIXTURE OF 95% TO 75% OF A WATER SOLUBLE SALT OF A MONO-ALKYLATED ARYL SULFONIC ACID IN WHICH THE ALKY GROUP CONTAINS FROM 9 TO 15 CARBON ATOMS AND 5% TO 25% OF A WATER SOLUBLE SALT OF AN ALKYLATED ARYL SULFONIC ACID FROM THE GROUP CONSISTING OF SALTS OF XYLENE SULFONIC ACID AND SALTS OF ETHYL BENZENE SULFONIC ACID, SAID WATER SOLUBLE SALTS BEING PREPARED BY SUBJECTING TO THE ACTION OF A SULFONATING AGENT A MIXTURE OF A MONO-ALKYLATED ARYL HYDROCARBON IN WHICH THE ALKYL GROUP CONTAINS FROM 9 TO 15 CARBON ATOMS AND A QUANTITY OF AN ALKYLATED ARYL HYDROCARBON FROM THE GROUP CONSISTING OF XYLENE AND ETHYL BENZENE, SUCH THAT UPON SULFONATION AND NEUTRALIZING OF THE MIXTURE, THE SALT OF THE SULFONIC ACID DERIVED FROM THE LAST-MENTIONED ALKYLATED ARYL HYDROCARBON WILL CONSTITUTE BETWEEN 5% AND 25% OF THE TOTAL SALTS OF THE SULFONIC ACIDS, AND RECOVERING THE RESULTING SULFONIC COMPOUNDS FROM THE SULFONATION MIXTURE.
Claim 2
Dependent Claim
166 words
A DETERGENT IN WHICH THE ACTIVE INGREDIENTS COMPRISE A MIXTURE OF 95% TO 75% OF A WATER SOLUBLE SALT OF A MONO-ALKYLATED ARYL SULFONIC ACID IN WHICH THE ALKY GROUP CONTAINS FROM 9 TO 15 CARBON ATOMS AND 5% TO 25% OF A WATER SOLUBLE SALT OF AN ALKYLATED ARYL SULFONIC ACID FROM THE GROUP CONSISTING OF SALTS OF XYLENE SULFONIC ACID AND SALTS OF ETHYL BENZENE SULFONIC ACID, SAID WATER SOLUBLE SALTS BEING PREPARED BY SUBJECTING TO THE ACTION OF A SULFONATING AGENT A MIXTURE OF A MONO-ALKYLATED ARYL HYDROCARBON IN WHICH THE ALKYL GROUP CONTAINS FROM 9 TO 15 CARBON ATOMS AND A QUANTITY OF AN ALKYLATED ARYL HYDROCARBON FROM THE GROUP CONSISTING OF XYLENE AND ETHYL BENZENE, SUCH THAT UPON SULFONATION AND NEUTRALIZING OF THE MIXTURE, THE SALT OF THE SULFONIC ACID DERIVED FROM THE LAST-MENTIONED ALKYLATED ARYL HYDROCARBON WILL CONSTITUTE BETWEEN 5% AND 25% OF THE TOTAL SALTS OF THE SULFONIC ACIDS, AND RECOVERING THE RESULTING SULFONIC COMPOUNDS FROM THE SULFONATION MIXTURE.
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |