US3764458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ionic alpha olefin copolymer adhesive laminate
Assignee: EIDP Inc
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Filing: 1971-03-11
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Granted: 1973-10-09
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Expires: 1991-03-11
Abstract
Abstract A LAMINATED STRUCTURE HAVING GOOD PEEL STRENGTH AND USING A SIMPLE ONE-COAT ADHESIVE COMPOSITION, SAID LAMINATED STRUCTURE CONSISTING ESSENTIALLY OF AN ELASTOMERIC COPOLYMER OF A LEAST ONE C2-C8 A-OLEFIN ADHERED TO A SUBSTRATE BY A COMPOSITION CONSISTING ESSENTIALLY OF (1) AN IONIC COPOLYMER OF ETHYLENE AND A C3-C8 A,BUNSATURATED CARBOXYLIC ACID CONTAINING ABOUT 3-25 WEIGHT PERCENT OF SAID ACID UNITS AND (2) ABOUT 0.05-0.60 EQUIVALENTS OF A POLYVALENT METAL COMPOUND BASED ON THE ACID GROUPS IN THE IONIC COPOLYMER.
Inventors
- 👤 K Ziegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:03
CPC Classifications
B; B32; B32B; B32B7/00; B32B7/04; B32B7/12; B32B15/00; B32B15/04; B32B15/08; B32B15/085; B32B15/18; B32B27/00; B32B27/32; C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; B32B2309/00; B32B2309/02; B32B2309/12; B32B2311/00; B32B2311/30; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34; C08L2666/54; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31573; Y10T428/31645; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
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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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |