US3189585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-vinyl-6, 6-dimethylnorpinane and polymers thereof
Assignee: Eastman Kodak Co
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Filing: 1960-08-11
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Granted: 1965-06-15
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Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Newton H Shearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/207; C07C1/213; C07C13/00; C07C13/28; C07C13/32; C07C13/39; C07C13/40; C07C13/42; C07C13/43; C08; C08F; C08F10/00; C08F32/00; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
SOLID COPOLYMERS OF 2-VINYL-6,6-DIMETHYLNORPINANE WITH AT LEAST ONE A-OLEFIN.
Claim 2
Dependent Claim
42 words
A SOLID POLYMER OF 2-VINYL-6,6-DIMETHYLNORPINANE HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 10,000 TO ABOUT 250,000, A SOFTENING POINT IN THE RANGE OF ABOUT 200 TO ABOUT 240*C. AND A DENSITY IN THE RANGE OF ABOUT .87 TO ABOUT .91.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |