Patent US2651630A successfully refreshed from Google Patents.
US2651630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercapto azine derivatives
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-10-26
•
Granted: 1953-09-08
•
Expires: 1971-10-26
Abstract
No abstract record available.
Inventors
- 👤 Paul M Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:20
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/04; C07D265/12; C07D265/14; C07D265/18; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE STRUCTURE R-S-(R10)NH WHERE R IS SELECTED FROM A GROUP CONSISTING OF 2-META-THIAZINE AND 2-META-OXAZINE RADICALS CONTAINING AT LEAST 4 BUT LESS THAN 14 CARBON ATOMS AND HYDROGEN IN ADDITION TO THE HETERO ATOMS, R IS A SHORT CHAIN ALKYL GROUP AND N IS AN INTEGER AT LEAST 3 BUT NOT MORE THAN 30.
Claim 2
Dependent Claim
63 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE STRUCTURE R-S-(R10)NH WHERE R IS SELECTED FROM A GROUP CONSISTING OF 2-META-THIAZINE AND 2-META-OXAZINE RADICALS CONTAINING AT LEAST 4 BUT LESS THAN 14 CARBON ATOMS AND HYDROGEN IN ADDITION TO THE HETERO ATOMS, R IS A SHORT CHAIN ALKYL GROUP AND N IS AN INTEGER AT LEAST 3 BUT NOT MORE THAN 30.
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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |