US3383377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processability of conjugated diene polymers containing carbon-metal bonds by treatment with acidic materials
Assignee: Phillips Petroleum Co
•
Filing: 1963-03-04
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Granted: 1968-05-14
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Carl A Uraneck
- 👤 Gerald R Kahle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:55
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44; C08L; C08L19/00; C08L19/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A PROCESS FOR IMPROVING THE PROCESSABILITY OF A CONJUGATED DIENE POLYMER CONTAINING CARBON-TIN BONDS WHICH COMPRISES MIXING SAID POLYMER WITH AN ACIDIC MATERIAL.
Claim 2
Dependent Claim
23 words
A PROCESS FOR IMPROVING THE PROCESSABILITY OF A CONJUGATED DIENE POLYMER CONTAINING CARBON-TIN BONDS WHICH COMPRISES MIXING SAID POLYMER WITH AN ACIDIC MATERIAL.
References Cited (Backward Citations)
US2448391A
Cited
US2873287A
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US3135716A
Cited
US2985631A
Cited
US3084084A
Cited
US3182052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |