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US2505366A
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Polymeric compositions from divinyl sulfone
Assignee: Uniroyal Inc
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Filing: 1948-07-07
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Granted: 1950-04-25
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Expires: 1968-07-07
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Schoene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/002; Y; Y10; Y10S; Y10S8/00; Y10S8/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A POLYMERIC ADDITION PRODUCT OF EQUIMOLECULAR PROPORTIONS OF A MONOMERIC GLYCOL FROM THE CLASS OF DIHDRICGLYCOLS AND DITHIOGLYCOLS, AND A MONOMERIC SULFONYL CHEMICAL HAVING FROM ONE TO TWO INTERMEDIATE SULFONYL RADICALS EACH LINKED TO A TERMINAL RADICAL FROM THE CLASS CONSISTING OF VINYL AND MONOHYDROCARBON-SUBSTITUTED VINYL.
Claim 2
Dependent Claim
46 words
A POLYMERIC ADDITION PRODUCT OF EQUIMOLECULAR PROPORTIONS OF A MONOMERIC GLYCOL FROM THE CLASS OF DIHDRICGLYCOLS AND DITHIOGLYCOLS, AND A MONOMERIC SULFONYL CHEMICAL HAVING FROM ONE TO TWO INTERMEDIATE SULFONYL RADICALS EACH LINKED TO A TERMINAL RADICAL FROM THE CLASS CONSISTING OF VINYL AND MONOHYDROCARBON-SUBSTITUTED VINYL.
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) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |