Patent US2826570A successfully refreshed from Google Patents.
US2826570A
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Polyethylene composition and process of cross-linking
Assignee: Hercules Powder Co
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Filing: 1955-05-24
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Granted: 1958-03-11
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Expires: 1975-05-24
Abstract
No abstract record available.
Inventors
- 👤 Reginald W Ivett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:51
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/60; C; C08; C08K; C08K5/00; C08K5/04; C08K5/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S260/00; Y10S260/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOSITION COMPRISING A POLYMER OF ETHYLENE AND A MINOR AMOUNT, BETWEEN ABOUT 0.1% AND 10% BY WEIGHT OF SAID POLYMER, OF A DI(ARALKYL) PEROXIDE OF THE FORMULA
Claim 2
Dependent Claim
28 words
A COMPOSITION COMPRISING A POLYMER OF ETHYLENE AND A MINOR AMOUNT, BETWEEN ABOUT 0.1% AND 10% BY WEIGHT OF SAID POLYMER, OF A DI(ARALKYL) PEROXIDE OF THE FORMULA
References Cited (Backward Citations)
US2628214A
Cited
US2528523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |