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Patent US2801446A successfully refreshed from Google Patents.
US2801446A
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Process for treating polyethylene structures and articles resulting therefrom
Assignee: EIDP Inc
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Filing: 1952-11-29
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Granted: 1957-08-06
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Expires: 1972-11-29
Abstract
No abstract record available.
Inventors
- 👤 Leon E Wolinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/16; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0827; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29L; B29L2007/00; B29L2007/008; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PROCESS FOR TREATING STRUCTURES OF POLYETHYLENE WHICH COMPRISES SUBJECTING SAID STRUCTURES TO THE ACTION OF OZONE AT A TEMPERATURE OF AT LEAST 150*C., QUENCHING SAID STRUCTURES IN WATER CONTAINING A CONDITIONING AGENT SELECTED FROM THE GROUP CONSISTING OF HYDROGEN PEROXIDE,
Claim 2
Dependent Claim
41 words
A PROCESS FOR TREATING STRUCTURES OF POLYETHYLENE WHICH COMPRISES SUBJECTING SAID STRUCTURES TO THE ACTION OF OZONE AT A TEMPERATURE OF AT LEAST 150*C., QUENCHING SAID STRUCTURES IN WATER CONTAINING A CONDITIONING AGENT SELECTED FROM THE GROUP CONSISTING OF HYDROGEN PEROXIDE,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |