Patent US2715077A successfully refreshed from Google Patents.
US2715077A
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Process for treating polyethylene structures
Assignee: EIDP Inc
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Filing: 1952-11-29
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Granted: 1955-08-09
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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 12:49
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/02; D01F6/04; B; B05; B05B; B05B7/00; B05B7/16; B05B7/168; B29; B29C; B29C59/00; B29C59/16; B29C71/00; B29C71/0009; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/12; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0827; B29C35/16; B29C2035/1616; B29C2035/1625; B29C48/00; B29C48/001; B29C48/0019; B29C48/03; B29C48/07; B29C48/08; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29L; B29L2007/00; B29L2007/008; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A PROCESS FOR TREATING POLYETHYLENE FILM WHICH COMPRISES SUBJECTING SAID FILM TO THE ACTION OF A GASEOUS ATMOSPHERE CONTAINING AT LEAST 5% BY VOLUME OF NITROUS OXIDE AT A TEMPERATURE WITHIN THE RANGE OF FROM 150* C. TO THE TEMPERATURE BEYOND WHICH SUBSTANTIAL DEGRADATION OF THE POLYETHYLENE OCCURS, FOR A PERIOD OF TIME SUFFICIENT TO RENDER SAID FILM ADHERENT TO PRINTING INK, AND THEREAFTER IMPRINTING SUCH SURFACE WITH A PRINTING INK.
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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |