US3109871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production and curing of polyfunctional terminally reactive polymers
Assignee: Phillips Petroleum Co
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Filing: 1960-12-27
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Granted: 1963-11-05
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Robert P Zelinski
- 👤 Henry L Hsleh
- 👤 Charles W Strobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:28
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/69; C08G18/696; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44; C08F; C08F8/00; C08F8/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
52 words
A PROCESS FOR MAKING A POLYMERIC PRODUCT WHICH COMPRISES REACTING A POLYMER OF CONJUGATED DIENES CONTAINING 4 TO 12 CARBON ATOMS PER MOLECULE AND SAID POLYMER CONTAINING AT LEAST 1 TERMINAL ALKALI METAL ATOM PER MOLECULE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N,H-DISUBSTITUTED AMINO ALDEHYDES AND N,NDISUBSTITUTED AMINO KETONES.
Claim 2
Dependent Claim
52 words
A PROCESS FOR MAKING A POLYMERIC PRODUCT WHICH COMPRISES REACTING A POLYMER OF CONJUGATED DIENES CONTAINING 4 TO 12 CARBON ATOMS PER MOLECULE AND SAID POLYMER CONTAINING AT LEAST 1 TERMINAL ALKALI METAL ATOM PER MOLECULE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N,H-DISUBSTITUTED AMINO ALDEHYDES AND N,NDISUBSTITUTED AMINO KETONES.
Claim 3
Dependent Claim
11 words
A POLYMERIC PRODUCT PREPARED ACCORDING TO THE METHOD OF CLAIM 1.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |