Patent US3868285A successfully refreshed from Google Patents.
Patent US3132142A successfully refreshed from Google Patents.
US3132142A
Expired / Lapsed
US
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Isocyanurate compounds
Assignee: Spencer Chemical Co
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Filing: 1961-04-24
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Granted: 1964-05-05
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:21
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3209; C08F; C08F18/00; C08F18/22; C08G59/22; C08G59/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALLYL DI(2,3-EPOXYPROPYL) ISOCYANURATE AND DIALLYL 2,3EPOXYPROPYL ISOCYANURATE.
Claim 2
Dependent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALLYL DI(2,3-EPOXYPROPYL) ISOCYANURATE AND DIALLYL 2,3EPOXYPROPYL ISOCYANURATE.
References Cited (Backward Citations)
CA560468A
Cited
US2894950A
Cited
US2765296A
Cited
US2809942A
Cited
US2947736A
Cited
US2930776A
Cited
US3053797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |