US2981668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for improving the properties of polymerized materials
Assignee: Electronized Chemicals Corp
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Filing: 1954-02-11
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Granted: 1961-04-25
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Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Brasch Arno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04; B29C35/00; B29C35/02; B29C35/08; B29C35/0866; B29C2035/0877; B29K; B29K2023/00; B29K2023/04; B29K2023/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE METHOD OF PROVIDING A MOLDED POLYETHYLENE ARTICLE WHICH WILL NOT BE DEFORMED IN BOILING WATER, WHICH COMPRISES MOLDING SAID ARTICLE FROM POLYETHYLENE AND SUBSEQUENTLY SUBJECTING SAID MOLDED ARTICLE TO IONIZING PENETRATING RADIATION IN THE FORM OF HIGH ENERGY ELECTRONS UNTIL SAID MOLDED ARTICLE HAS RECEIVED A DOSE OF NOT LESS THAN ONE MILLION REP.
Claim 2
Independent Claim
55 words
THE METHOD OF PROVIDING A MOLDED POLYETHYLENE ARTICLE WHICH WILL NOT BE DEFORMED IN BOILING WATER, WHICH COMPRISES MOLDING SAID ARTICLE FROM POLYETHYLENE AND SUBSEQUENTLY SUBJECTING SAID MOLDED ARTICLE TO IONIZING PENETRATING RADIATION IN THE FORM OF HIGH ENERGY ELECTRONS UNTIL SAID MOLDED ARTICLE HAS RECEIVED A DOSE OF NOT LESS THAN ONE MILLION REP.
References Cited (Backward Citations)
US2648097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |