US3053816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers containing sulfur
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-12-21
•
Granted: 1962-09-11
•
Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Bobbie D Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:56
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE PROCESS WHICH COMPRISES REACTING SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF AN ALKANEDITHIOL COMPOUND HAVING FROM 4 TO 6 CRBON ATOMS AND HAVING THE THIOL RADICALS ATTACHED TO THE TERMINAL CARBON ATOMS AND THIONYL CHLORIDE UNTIL SUBSTANTIAL POLYMERIZATION HAS TAKEN PLACE.
Claim 2
Dependent Claim
39 words
THE PROCESS WHICH COMPRISES REACTING SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF AN ALKANEDITHIOL COMPOUND HAVING FROM 4 TO 6 CRBON ATOMS AND HAVING THE THIOL RADICALS ATTACHED TO THE TERMINAL CARBON ATOMS AND THIONYL CHLORIDE UNTIL SUBSTANTIAL POLYMERIZATION HAS TAKEN PLACE.
References Cited (Backward Citations)
US2510567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |