US3018197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging film and process for preparation thereof
Assignee: EIDP Inc
•
Filing: 1957-07-23
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Granted: 1962-01-23
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Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 Covington Edward Royals
- 👤 Meier John Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 21:33
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052; C08J7/054; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PACKAGING MATERIAL COMPRISING A BASE SHEET HAVING AT LEAST ONE SURFACE COATED WITH A COMPOSITION COMPRISING ESSENTIALLY A COPOLYMER OBTAINED FROM 80-96% BY WEIGHT OF VINYLIDENE CHLORIDE, 0.1.2% BY WEIGHT OF AT LEAST ONE POLYMERIZABLE MONOMER CONTAINING AN ALLYL GROUPING SELECTED FROM THE GROUP CONSISTING OF ALLYL GLYCIDYL ETHER, ALLYL UREA, ALCOHOL, METHALLYL ALCOHOL, ALLYL ACETONE AND 2-19.9% BY WEIGHT OF AT LEAST ONE OTHER POLYMERIZABLE MONO-OLEFINIC MONOMER COPOLYMERIZABLE WITH VINYLIDENE CHLORIDE SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ACRYLATE AND ACRYLONITRILE.
Claim 2
Dependent Claim
84 words
A PACKAGING MATERIAL COMPRISING A BASE SHEET HAVING AT LEAST ONE SURFACE COATED WITH A COMPOSITION COMPRISING ESSENTIALLY A COPOLYMER OBTAINED FROM 80-96% BY WEIGHT OF VINYLIDENE CHLORIDE, 0.1.2% BY WEIGHT OF AT LEAST ONE POLYMERIZABLE MONOMER CONTAINING AN ALLYL GROUPING SELECTED FROM THE GROUP CONSISTING OF ALLYL GLYCIDYL ETHER, ALLYL UREA, ALCOHOL, METHALLYL ALCOHOL, ALLYL ACETONE AND 2-19.9% BY WEIGHT OF AT LEAST ONE OTHER POLYMERIZABLE MONO-OLEFINIC MONOMER COPOLYMERIZABLE WITH VINYLIDENE CHLORIDE SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ACRYLATE AND ACRYLONITRILE.
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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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |