US3405083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealable films comprising a polyolefin coated with an ethylene-ethyl acrylate copolymer and surfactants
Assignee: Eastman Kodak Co
•
Filing: 1964-03-05
•
Granted: 1968-10-08
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Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Edward D Morrison
- 👤 Billy R Dotson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/08; C08J2423/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24198
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A UNITARY MEMBER SUITABLE FOR USE AS A HEAT-SEALABLE PACKAGING MATERIAL COMPRISING A POLYOLEFIN SUBSTRATE AND A RELATIVELY THIN WELL-BONDED COATING CONSISTING ESSENTIALLY OF AN ETHYLENE-ETHYL ACRYLATE COPOLYMER CONTAINING FROM ABOUT 2 TO ABOUT 25 WEIGHT PERCENT COMBINED ETHYLACRYLATE, AN OIL-IN-WATER EMULSIFYING AGENT AND A WETTING AGENT ON AT LEAST ONE SURFACE OF THE SUBSTRATE, THE RATIO OF EMULSIFYING AGENT TO COPOLYMER BEING FROM ABOUT 0.1-0.5 PART EMULSIFYING AGENT TO ABOUT 3-7 PARTS COPOLYMER AND THE RATIO OF WETTING AGENT TO COPOLYMER BEING FROM ABOUT 0.4 TO ABOUT 0.8 PART OF SAID WETTING AGENT TO ABOUT 3-7 PARTS OF COPOLYMER.
Claim 2
Dependent Claim
100 words
A UNITARY MEMBER SUITABLE FOR USE AS A HEAT-SEALABLE PACKAGING MATERIAL COMPRISING A POLYOLEFIN SUBSTRATE AND A RELATIVELY THIN WELL-BONDED COATING CONSISTING ESSENTIALLY OF AN ETHYLENE-ETHYL ACRYLATE COPOLYMER CONTAINING FROM ABOUT 2 TO ABOUT 25 WEIGHT PERCENT COMBINED ETHYLACRYLATE, AN OIL-IN-WATER EMULSIFYING AGENT AND A WETTING AGENT ON AT LEAST ONE SURFACE OF THE SUBSTRATE, THE RATIO OF EMULSIFYING AGENT TO COPOLYMER BEING FROM ABOUT 0.1-0.5 PART EMULSIFYING AGENT TO ABOUT 3-7 PARTS COPOLYMER AND THE RATIO OF WETTING AGENT TO COPOLYMER BEING FROM ABOUT 0.4 TO ABOUT 0.8 PART OF SAID WETTING AGENT TO ABOUT 3-7 PARTS OF COPOLYMER.
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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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |