US3183207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl halide polymers and copolymers and imidazoline-metallic curing system therefor
Assignee: WR Grace and Co
•
Filing: 1960-10-11
•
Granted: 1965-05-11
•
Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Nimoy Melvin
- 👤 Elizabeth C Dearborn
- 👤 Philip K Isaacs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K3/00; C08K3/10; C08K3/34; C08K5/3442; C08K5/3445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A THERMOSETTABLE COMPOSITION COMPRISING A VINYL HALIDE POLYMER, AN IMIDAZOLINE HAVING THE STRUCTURE:
Claim 2
Dependent Claim
13 words
A THERMOSETTABLE COMPOSITION COMPRISING A VINYL HALIDE POLYMER, AN IMIDAZOLINE HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2476832A
Cited
US3017379A
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US3050529A
Cited
US3050527A
Cited
US3050528A
Cited
US3093655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |