US3368983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentyl epoxides and resinous compositions
Assignee: Union Carbide Corp
•
Filing: 1963-04-19
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Granted: 1968-02-13
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Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Tinsley
- 👤 Paul S Starcher
- 👤 Paul A King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:37
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
32 words
AN EPOXIDE COMPOUND CONTAINING A PLURALITY OF JOINED RADICALS FROM THE GROUP CONSISTING OF CYCLOPENTYL AND CYCLOPENTENYL, AT LEAST ONE OF SAID RADICALS IS CYCLOPENTYL POSSESSING AN OXIRANE GROUP AS PART THEREOF.
Claim 2
Dependent Claim
32 words
AN EPOXIDE COMPOUND CONTAINING A PLURALITY OF JOINED RADICALS FROM THE GROUP CONSISTING OF CYCLOPENTYL AND CYCLOPENTENYL, AT LEAST ONE OF SAID RADICALS IS CYCLOPENTYL POSSESSING AN OXIRANE GROUP AS PART THEREOF.
Claim 3
Dependent Claim
6 words
AN EPOXIDE COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
6 words
AN EPOXIDE COMPOUND OF THE FORMULA:
Claim 5
Dependent Claim
45 words
A RESINOUS COMPOSITION COMPRISING A POLYMERIC COMPOSITION OF AN EPOXIDE COMPOUND OF CLAIM 3 AND A CATALYST FROM THE GROUP CONSISTING OF ACIDIC AND BASIC COMPOUNDS CAPABLE OF OPENING A VICINAL EPOXY RADICAL OF SAID COMPOUND AT THE SITE OF A CARBON TO OXYGEN BOND.
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |