US3194668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing radiation stabilized polyethylene and food package utilizing same
Assignee: Individual
•
Filing: 1963-04-08
•
Granted: 1965-07-13
•
Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Schlein
- 👤 Liberte Bernard R La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:58
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/50; A23B2/503; B; B65; B65D; B65D65/00; B65D65/38; B65D81/00; B65D81/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
PROCESS OF PREVENTING ODOR FORMATION RESULTING FROM THE EXPOSURE OF POLYETHYLENE TO HIGH ENERGY IONIZING RADIATION WHEN FOODSTUFFS ARE SUBSEQUENTLY STERILIZED THEREIN WHICH COMPRISES INCORPORATING WITH SAID POLYETHYLENE AN EFFECTIVE AOUNT OF 2,2''-METHYLENE-BIS(4-ETHYL-6-T-BUTYL PHENOL) AND EXPOSING SAID POLYETHYLENE CONTAINING SAID 2,2''-METHYLENE-BIS-(4-ETHYL-6-T-BUTYL PHENOL) TO A FOOD STERILIZING DOSE OF HIGH ENERGY IONIZING RADIATION.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |