US3189573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum wax-ethylene vinyl acetate copolymer composition
Assignee: EIDP Inc
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Filing: 1962-10-01
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Granted: 1965-06-15
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Oken Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
F; F16; F16G; F16G1/00; F16G1/06; F16G1/08; F16G1/10; C; C08; C08L; C08L91/00; C08L91/06; C08L91/08; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D191/00; C09D191/06; C09D191/08; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A HEAT-SEALABLE FLEXIBLE SHEET MATERIAL HAVING ON ONE SURFACE THEREOF A THERMOPLASTIC WAX COMPOSITION COATING HAVING A MELT VISCOSITY OF BETWEEN 2000 AND 15,000 CENTIPOISES MEASURED AT 290*F., SAID WAX COMPOSITION COMPRISING BETWEEN ABOUT 50% AND 70% OF A PETROLEUM WAX HAVING A MELTING POINT BETWEEN ABOUT 130*F. AND 170*F., AND BETWEEN ABOUT 50% AND 30% OF A COPOLYMER OF ETHYLENE AND VINYL ACETATE, SAID COPOLYMER BEING THE COPOLYMERIZATION PRODUCT OF ETHYLENE AND VINYL ACETATE IN RATIO BETWEEN ABOUT 2 TO 1 AND 4 TO 1.
References Cited (Backward Citations)
US3048553A
Cited
US2877196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |