Patent US3679627A successfully refreshed from Google Patents.
US3679627A
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US
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Hydroxylated alpha-olefin/non-conjugated diene polymer
Assignee: EIDP Inc
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Filing: 1969-07-09
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Granted: 1972-07-25
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Expires: 1989-07-09
Abstract
Abstract AN HYDROXYLATED ALPHA-OLEFIN/NON-CONJUGATED DIENE POLYMER HAVING HYDROXYLATED SIDE CHAINS IN ADMIXTURE WITH CLAY, ZNO, ZNBF2, A PHENOL-FORMALDEHYDE RESIN OR POLYISOCYANATE. AN HYDROXYLATED ALPHA-OLEFIN-NON-CONJUGATED DIENE POLYMER HAVING HYDROXYL SUBSTITUTED SIDE CHAINS CONTAINING ONE HYDROXYL GROUP EACH AND OTHER SIDE CHAINS CONTAINING ETHYLENIC UNSATURATION AND A PROCESS FOR MAKING.
Inventors
- 👤 Jerald R Harrell
- 👤 Anestis L Logothetis
- 👤 John J Verbanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:45
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/6705; C08F; C08F8/00; C08F8/42; Y; Y10; Y10S; Y10S528/00; Y10S528/905; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2967; Y10T428/2969; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31743; Y10T428/31746; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |