US3694416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of aliphatic conjugated dienes and blocked vinyl isocyanates
Assignee: Dow Chemical Co
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Filing: 1970-11-30
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Granted: 1972-09-26
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Expires: 1990-11-30
Abstract
Abstract This invention is directed to interpolymers of aliphatic conjugated dienes and blocked vinyl isocyanates which are particularly useful for forming self-anchoring coatings on various substrates and for the preparation of cross-linked or cross-linkable molding resins.
Inventors
- 👤 Louis C Rubens
- 👤 James T K Woo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:14
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/80; C08G18/8061; C08G18/8064; C08G18/8067; C08F; C08F236/00; C08F236/02; C08F236/04; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6225; C08G18/6229; C08G18/728
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
The interpolymers of claim 1 wherein said blocked vinyl isocyanate is selected from the group consisting of the materials having the structure:
Claim 2
Dependent Claim
20 words
The interpolymers of claim 2 wherein said aliphatic conjugated diene is butadiene and said blocked vinyl isocyanate is p-chlorophenyl vinylcarbamate.
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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |