US3296189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemically cross-linked polyethylene stabilized with polymerized trimethyl quinoline
Assignee: Individual
•
Filing: 1965-07-29
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Granted: 1967-01-03
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Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 Warren O Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A CURABLE COMPOSITION OF MATTER COMPRISING: (A) NORMALLY SOLID POLYETHYLENE, (B) FROM 1% TO 10% BY WEIGHT OF THE POLYETHYLENE PRESENT OF ORGANIC HAVING EACH OF THE PEROXIDE OXYGEN LINKED DIRECTLY TO A TERTIARY CARBON ATOM, SAID PEROXED SUBSTANTIALLY DECOMPOSING AT TEMPERATURES IN EXCESS OF 130*C. THEREBY CROSS-LINKING THE POLYETHYLENE OF SAID COMPOSITION, AND (C) FROM 0.25, TO 2.0% BY WEIGHT OF THE POLYETHYLENE PRESENT OF POLYMERIZED 1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLE.
Claim 2
Dependent Claim
68 words
A CURABLE COMPOSITION OF MATTER COMPRISING: (A) NORMALLY SOLID POLYETHYLENE, (B) FROM 1% TO 10% BY WEIGHT OF THE POLYETHYLENE PRESENT OF ORGANIC HAVING EACH OF THE PEROXIDE OXYGEN LINKED DIRECTLY TO A TERTIARY CARBON ATOM, SAID PEROXED SUBSTANTIALLY DECOMPOSING AT TEMPERATURES IN EXCESS OF 130*C. THEREBY CROSS-LINKING THE POLYETHYLENE OF SAID COMPOSITION, AND (C) FROM 0.25, TO 2.0% BY WEIGHT OF THE POLYETHYLENE PRESENT OF POLYMERIZED 1,2-DIHYDRO-2,2,4-TRIMETHYLQUINOLE.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |