US2614919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making herbicidal composition of matter
Assignee: Uniroyal Inc
•
Filing: 1951-03-28
•
Granted: 1952-10-21
•
Expires: 1971-03-28
Abstract
No abstract record available.
Inventors
- 👤 John C R Warren
- 👤 Frederick M M J Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:03
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN THE PROCESS OF MAKING A COMPOSITION OF MATTER CONTAINING AN ESTER OF AN ARYLOXYACETIC ACID, THE STEPS WHICH COMPRISE REACTING AN ARYLOXYACETIC ACID WITH AN ALCOHOL IN THE PRESENCE OF AN ALKYL-SUBSTITUTED ARYL SULFONIC ACID, IN WHICH THE ALKYL SIDE CHAIN CONTAINS AT LEAST TEN CARBON ATOMS, AS AN ESTERIFICATION CATALYST UNTIL ESTERIFICATION OF SAID ACID WITH SAID ALCOHOL IS SUBSTANTIALLY COMPLETE, THEREAFTER NEUTRALIZING SAID ALKYLSUBSTITUTED ARYL SULFONIC ACID WITH AN ORGANIC AMINE, AND THEREBY FORMING IN SITU AN AMINE SALT OF SAID ALKYL-SUBSTITUTED ARYL SULFONIC ACID WHICH IS AVAILABLE AS A SURFACE ACTIVE AND LIKE AGNET WHEN THE RESULTING MIXTURE IS USED.
Claim 2
Dependent Claim
104 words
IN THE PROCESS OF MAKING A COMPOSITION OF MATTER CONTAINING AN ESTER OF AN ARYLOXYACETIC ACID, THE STEPS WHICH COMPRISE REACTING AN ARYLOXYACETIC ACID WITH AN ALCOHOL IN THE PRESENCE OF AN ALKYL-SUBSTITUTED ARYL SULFONIC ACID, IN WHICH THE ALKYL SIDE CHAIN CONTAINS AT LEAST TEN CARBON ATOMS, AS AN ESTERIFICATION CATALYST UNTIL ESTERIFICATION OF SAID ACID WITH SAID ALCOHOL IS SUBSTANTIALLY COMPLETE, THEREAFTER NEUTRALIZING SAID ALKYLSUBSTITUTED ARYL SULFONIC ACID WITH AN ORGANIC AMINE, AND THEREBY FORMING IN SITU AN AMINE SALT OF SAID ALKYL-SUBSTITUTED ARYL SULFONIC ACID WHICH IS AVAILABLE AS A SURFACE ACTIVE AND LIKE AGNET WHEN THE RESULTING MIXTURE IS USED.
References Cited (Backward Citations)
US2314255A
Cited
US2390941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |