US2873277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of n-alkyl-and n-cycloalkylbis (2-benzothiazolesulfen) amides
Assignee: Uniroyal Inc
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Filing: 1956-09-28
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Granted: 1959-02-10
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Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Norman K Sundholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:40
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/76; C07D277/80; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF PREPARING N-ALKYL- AND N-CYCLOALKYLBIS (2-BENZOTHIAZOLESULFEN) AMIDES WHICH COMPRISES THE SUBSTANTIALLY CONCURRENT ADDITION TO A REACTION ZONE OF A MEMBER OF THE GROUP CONSISTING OF THE CORRESPONDING MONAOLKYLAMINE AND MONOCYCLOALKYLAMINE, AND 2-BENZOTHIAZOLESULFENYL CHLORIDE IN APPROXIMATELY A 3:2 MOLAR RATIO, RESPECTIVELY, AND CARRYING OUT THE REACTIOIN IN THE PRESENCE OF AN INERT ORGANIC SOLVENT.
Claim 2
Independent Claim
55 words
A METHOD OF PREPARING N-ALKYL- AND N-CYCLOALKYLBIS (2-BENZOTHIAZOLESULFEN) AMIDES WHICH COMPRISES THE SUBSTANTIALLY CONCURRENT ADDITION TO A REACTION ZONE OF A MEMBER OF THE GROUP CONSISTING OF THE CORRESPONDING MONAOLKYLAMINE AND MONOCYCLOALKYLAMINE, AND 2-BENZOTHIAZOLESULFENYL CHLORIDE IN APPROXIMATELY A 3:2 MOLAR RATIO, RESPECTIVELY, AND CARRYING OUT THE REACTIOIN IN THE PRESENCE OF AN INERT ORGANIC SOLVENT.
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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |