Patent US3284383A successfully refreshed from Google Patents.
US3284383A
Expired / Lapsed
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Epoxide compositions
Assignee: Union Carbide Corp
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Filing: 1961-12-29
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Granted: 1966-11-08
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 William R Proops
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:25
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/681; C08G59/685
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A CURABLE COMPOSITION COMPRISING AN EPOXIDE COMPOUND CONTAINING AT LEAST ONE VICINAL EPOXY GROUP AND A CATALYTIC AMOUNT OF A CATALYST PREPARED BY REACTING A LIQUID STANNOUS ACYLATE OF THE FORMULA: SN(-OOC-R)2 WHEREIN EACH R IS A MONOVALENT HYDROCARBON RADICAL CONTAINING FROM 1 TO 54 CARBON ATOMS, WITH AN ANHYDROUS OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF OXYGEN, BENZOYL PEROXIDE, DIACETYL PEROXIDE, AND POTASSIUM PERMANGANATE AT A TEMPERATURE OF FROM 25*C. TO 125*C.
Claim 2
Dependent Claim
74 words
A CURABLE COMPOSITION COMPRISING AN EPOXIDE COMPOUND CONTAINING AT LEAST ONE VICINAL EPOXY GROUP AND A CATALYTIC AMOUNT OF A CATALYST PREPARED BY REACTING A LIQUID STANNOUS ACYLATE OF THE FORMULA: SN(-OOC-R)2 WHEREIN EACH R IS A MONOVALENT HYDROCARBON RADICAL CONTAINING FROM 1 TO 54 CARBON ATOMS, WITH AN ANHYDROUS OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF OXYGEN, BENZOYL PEROXIDE, DIACETYL PEROXIDE, AND POTASSIUM PERMANGANATE AT A TEMPERATURE OF FROM 25*C. TO 125*C.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |