Patent US2992133A successfully refreshed from Google Patents.
US2992133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated organic film and process
Assignee: EIDP Inc
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Filing: 1959-10-29
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Granted: 1961-07-11
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Expires: 1979-10-29
Abstract
No abstract record available.
Inventors
- 👤 Iii Winfield Scott Zehrung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:42
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR PRODUCING A HEAT-SEALABLE, ORGANIC POLYMERIC FILM WHICH COMPRISES TREATING BOTH SIDES OF A POLYETHYLENE TEREPHTHALATE BASE FILM WITH A DILUTE AQUEOUS SOLUTION CONTAINING THE REACTION PRODUCT OF 1 TO 4 MOLS OF ACETYLACETONE AND 1 MOL OF AN ALKYL TITANATE CONTAINING 2 TO 4 CARBON ATOMS IN THE ALKYL GROUP AND A HYGROSCOPIC SALT SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, MAGNESIUM CHLORIDE AND MAGNESIUM
Claim 2
Dependent Claim
69 words
A PROCESS FOR PRODUCING A HEAT-SEALABLE, ORGANIC POLYMERIC FILM WHICH COMPRISES TREATING BOTH SIDES OF A POLYETHYLENE TEREPHTHALATE BASE FILM WITH A DILUTE AQUEOUS SOLUTION CONTAINING THE REACTION PRODUCT OF 1 TO 4 MOLS OF ACETYLACETONE AND 1 MOL OF AN ALKYL TITANATE CONTAINING 2 TO 4 CARBON ATOMS IN THE ALKYL GROUP AND A HYGROSCOPIC SALT SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, MAGNESIUM CHLORIDE AND MAGNESIUM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |