Patent US3119830A successfully refreshed from Google Patents.
US3119830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of saturated aliphatic sulfonamides
Assignee: EIDP Inc
•
Filing: 1961-02-15
•
Granted: 1964-01-28
•
Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Burt James Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:36
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/01; C07C311/02; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN THE PROCESS OF PRODUCING AN ALIPHATIC SULFONAMIDE BY REACTING AN ALSYL PRODUCT WITH AN INORGANIC AMINE HAVING AT LEAST ONE HYDROGEN ATOM ON THE AMINE RADICAL, SAID ALSYL PRODUCT BEING A MIXTURE OF CHLOROSULFONYLATED ALKANES AND CHLOROSULFONYLATED CHLOROALKANES AS OBTAINED BY REACTING WITH A GASEOUS MIXTURE OF SULFUR DIOXIDE AND CHLORINE UNDER THE INFLUENCE OF LIGHT UPON A MIXTURE OF ALKANES HAVING AN AVERAGE CHAIN LENGTH OF 12 TO 30 CATOMS, THE IMPROVEMENT WHICH CONSISTS OF MIXING SAID ALSYL PRODUCT ESSENTIALLY AT ROOM TEMPERATURE WITH ESSENTIALLY THE THEORETICAL QUANTITY OF AN ORGANIC AMINE REQUIRED FOR AMIDATION OF ALL ITS SULFONYL CHLORIDE CONTENT, SAID AMINE HAVING THE FORMULA
Claim 2
Dependent Claim
108 words
IN THE PROCESS OF PRODUCING AN ALIPHATIC SULFONAMIDE BY REACTING AN ALSYL PRODUCT WITH AN INORGANIC AMINE HAVING AT LEAST ONE HYDROGEN ATOM ON THE AMINE RADICAL, SAID ALSYL PRODUCT BEING A MIXTURE OF CHLOROSULFONYLATED ALKANES AND CHLOROSULFONYLATED CHLOROALKANES AS OBTAINED BY REACTING WITH A GASEOUS MIXTURE OF SULFUR DIOXIDE AND CHLORINE UNDER THE INFLUENCE OF LIGHT UPON A MIXTURE OF ALKANES HAVING AN AVERAGE CHAIN LENGTH OF 12 TO 30 CATOMS, THE IMPROVEMENT WHICH CONSISTS OF MIXING SAID ALSYL PRODUCT ESSENTIALLY AT ROOM TEMPERATURE WITH ESSENTIALLY THE THEORETICAL QUANTITY OF AN ORGANIC AMINE REQUIRED FOR AMIDATION OF ALL ITS SULFONYL CHLORIDE CONTENT, SAID AMINE HAVING THE FORMULA
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |