US3238176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Age-resistant cross-linked ethylene polymers stabilized with thioureas
Assignee: Vanderbilt Chemicals LLC
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Filing: 1962-12-24
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Granted: 1966-03-01
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Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Lester A Brooks
- 👤 Homer H Farmer
- 👤 Robert T O'shaughnessy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:52
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39; C08K5/405; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A CURABLE ETHYLENE POLYMER COMPOSITION WHICH COMPRISES AN ETHYLENE POLYMER HAVING AT LEAST ABOUT 50 MOLE PERCENT OF ETHYLENE UNITS FROM ABOUT 0.1% TO ABOUT 10% BY WEIGHT OF THE POLYMER OF AN ORGANIC PEROXIDE CROSSLINKING AGENT, AND FROM ABOUT 0.05% TO ABOUT 5% BY WEIGHT OF THE POLYMER OF A STBILIZING AGENT HAVING THE SRUCTURAL FORMULA
Claim 2
Dependent Claim
57 words
A CURABLE ETHYLENE POLYMER COMPOSITION WHICH COMPRISES AN ETHYLENE POLYMER HAVING AT LEAST ABOUT 50 MOLE PERCENT OF ETHYLENE UNITS FROM ABOUT 0.1% TO ABOUT 10% BY WEIGHT OF THE POLYMER OF AN ORGANIC PEROXIDE CROSSLINKING AGENT, AND FROM ABOUT 0.05% TO ABOUT 5% BY WEIGHT OF THE POLYMER OF A STBILIZING AGENT HAVING THE SRUCTURAL FORMULA
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |