US3364181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic carbamate resins and method of preparation
Assignee: Dow Chemical Co
•
Filing: 1965-11-10
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Granted: 1968-01-16
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Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Max E Elder
- 👤 Moore Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:32
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/30; C08F2810/00; C08F2810/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
METHOD FOR MAKING A WATER-INSOLUBLE RESINOUS POLYMERIC VINYLBENZYL CYCLIC CARBAMATE RESIN BY REACTING (1) A SUBSTANTIALLY STOICHIOMETRIC PROPORTION OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
METHOD FOR MAKING A WATER-INSOLUBLE RESINOUS POLYMERIC VINYLBENZYL CYCLIC CARBAMATE RESIN BY REACTING (1) A SUBSTANTIALLY STOICHIOMETRIC PROPORTION OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |