US3358017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing substantially odorless alkaryl sulfonates and the composition obtained thereby
Assignee: Chevron USA Inc
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Filing: 1964-08-27
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Granted: 1967-12-12
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang K Seifert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:59
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/29; C07C309/30; C07C309/31; C07C303/00; C07C303/42
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
85 words
IN A PROCESS FOR PRODUCING ALKYLARYL SULFONATE BY SULFONATING AN ALKYLARYL HYDROCARBON HAVING 9 TO 18 CARBON ATOMS IN THE ALKYL GROUPS WITH CONCENTRATED SULFURIC ACID TO PRODUCE AN ALKYLARYL SULFONIC ACID MIXTURE AND NEUTRALIZING SAID MIXTURE, THE IMPROVEMENT OF PRODUCING A SUBSTANTIALLY ORDORLESS ALKYLARYL SULFONATE DETERGENT PRODUCT WHICH COMPRISES NEUTALIZING THE ALKYLARYL SULFONIC ACID MIXTURE TO A PH OF AT LEAST 7 AND THEN INCORPORATING INOT THE NEUTRALIZED MIXTURE ABOUT 0.0001 TO 0.1% BY WEIGHT BASED ON ALKYLARYL SULFONATE OF AN ALKALI METAL BOROHYDRIDE.
Claim 2
Dependent Claim
85 words
IN A PROCESS FOR PRODUCING ALKYLARYL SULFONATE BY SULFONATING AN ALKYLARYL HYDROCARBON HAVING 9 TO 18 CARBON ATOMS IN THE ALKYL GROUPS WITH CONCENTRATED SULFURIC ACID TO PRODUCE AN ALKYLARYL SULFONIC ACID MIXTURE AND NEUTRALIZING SAID MIXTURE, THE IMPROVEMENT OF PRODUCING A SUBSTANTIALLY ORDORLESS ALKYLARYL SULFONATE DETERGENT PRODUCT WHICH COMPRISES NEUTALIZING THE ALKYLARYL SULFONIC ACID MIXTURE TO A PH OF AT LEAST 7 AND THEN INCORPORATING INOT THE NEUTRALIZED MIXTURE ABOUT 0.0001 TO 0.1% BY WEIGHT BASED ON ALKYLARYL SULFONATE OF AN ALKALI METAL BOROHYDRIDE.
Claim 3
Dependent Claim
35 words
AN ORDORLESS NEUTRALIZED ALKYLARYL SULFONATE DETERGENT COMPOSITION HAVING 9 TO 18 CARBON ATOMS IN THE ALKYL GROUPS HAVING INCORPORATED THEREIN ABOUT 0.0001 TO 0.1% BY WEIGHT BASED ON THE SULFONATE DETERGENT OF ALKALI METAL BOROHYDRIDE.
Claim 4
Dependent Claim
35 words
AN ORDORLESS NEUTRALIZED ALKYLARYL SULFONATE DETERGENT COMPOSITION HAVING 9 TO 18 CARBON ATOMS IN THE ALKYL GROUPS HAVING INCORPORATED THEREIN ABOUT 0.0001 TO 0.1% BY WEIGHT BASED ON THE SULFONATE DETERGENT OF ALKALI METAL BOROHYDRIDE.
References Cited (Backward Citations)
US22548A
Cited
US2469378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |