US2862946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of sulfenic acids and their preparation
Assignee: Stauffer Chemical Co
•
Filing: 1956-04-02
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Granted: 1958-12-02
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Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Kharasch Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:43
CPC Classifications
C; C07; C07C; C07C313/00; C07C313/08; C07C313/10; C07C313/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
CHEMICAL COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
CHEMICAL COMPOUNDS HAVING THE FORMULA:
Claim 3
Dependent Claim
40 words
THE PROCESS OF PREPARING AN ESTER OF SUFFENIC ACID WHICH COMPRISES REACTING A SULFENYL BALIDE SELECTED FROM THE GROUP CONSISTING OF AN AROMATIC SULFENLY HALIDE AND AN ALIPHATIC SULFENYL HALIDE WITH AN ALCOHOL IN THE PRESENCE OF A TERTIARY AMINE.
Claim 4
Dependent Claim
40 words
THE PROCESS OF PREPARING AN ESTER OF SUFFENIC ACID WHICH COMPRISES REACTING A SULFENYL BALIDE SELECTED FROM THE GROUP CONSISTING OF AN AROMATIC SULFENLY HALIDE AND AN ALIPHATIC SULFENYL HALIDE WITH AN ALCOHOL IN THE PRESENCE OF A TERTIARY AMINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |