Patent US3315013A successfully refreshed from Google Patents.
US3315013A
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Graft and cross linked copolymers of polar vinylidene monomers with acryloxyphenones
Assignee: EIDP Inc
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Filing: 1962-09-28
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Granted: 1967-04-18
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Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:41
CPC Classifications
C; C08; C08F; C08F246/00; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16; C08F20/62; C08F291/00; C08F291/18; C08G; C08G2/00; C08G2/02; C08G2/18; C08G2/26; C08G2/38; C08J; C08J3/00; C08J3/28; C08L; C08L57/00; C08L57/04; C08J2357/00; C08J2357/04; Y; Y10; Y10S; Y10S522/00; Y10S522/904; Y10S522/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A CROSS-LINKED COPOLYMER OF AT LEAST ONE POLAR VINYLIDENE MONOMER HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A CROSS-LINKED COPOLYMER OF AT LEAST ONE POLAR VINYLIDENE MONOMER HAVING THE FORMULA
References Cited (Backward Citations)
US2837496A
Cited
US2938883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |