US3417064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of 1,2-alkylene oxides
Assignee: Union Carbide Corp
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Filing: 1963-05-27
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Granted: 1968-12-17
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick E Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:47
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/14; C08G65/22; C08G65/223; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SOLID ELASTOMERIC VULCANIZATE OBTAINED BY SULFUR CURING THE PENDANT TERMINAL ALKENYL GROUPS WITH ARE CONTAINED IN A COPOLYMER HAVING A REDUCED VISCOSITY VALUE OF AT LEAST 0.5 AS MEASURED AT A CONCENTRATION OF 0.2 GRAM OF SAID COPOLYMER IN 100 MILLILITERS OF BENZENE AT 30*C., SAID COPOLYMER RESULTING FROM THE POLYMERIZATION OF AN ADMIXTURE CONTAINING A MAJOR PROPORTION BY WEIGHT OF 1,2-ALKYLENE OXIDE AND A MINOR PROPORTION BY WEIGHT OF A VINYL EPOXY MONOMER THROUGH THE VICINAL EPOXY GROUPS THEREOF, SASID VINYL EPOXY MONOMER HAVING THE FORMULA:
Claim 2
Dependent Claim
88 words
A SOLID ELASTOMERIC VULCANIZATE OBTAINED BY SULFUR CURING THE PENDANT TERMINAL ALKENYL GROUPS WITH ARE CONTAINED IN A COPOLYMER HAVING A REDUCED VISCOSITY VALUE OF AT LEAST 0.5 AS MEASURED AT A CONCENTRATION OF 0.2 GRAM OF SAID COPOLYMER IN 100 MILLILITERS OF BENZENE AT 30*C., SAID COPOLYMER RESULTING FROM THE POLYMERIZATION OF AN ADMIXTURE CONTAINING A MAJOR PROPORTION BY WEIGHT OF 1,2-ALKYLENE OXIDE AND A MINOR PROPORTION BY WEIGHT OF A VINYL EPOXY MONOMER THROUGH THE VICINAL EPOXY GROUPS THEREOF, SASID VINYL EPOXY MONOMER HAVING THE FORMULA:
References Cited (Backward Citations)
US2476922A
Cited
US2439828A
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US2808391A
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GB834158A
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US3031439A
Cited
US3065213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |