US3201498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions of polyethylene and ethylene/ethylacrylate copolymers for improved heat sealability
Assignee: Eastman Kodak Co
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Filing: 1962-05-02
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Granted: 1965-08-17
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Marion O Brunson
- 👤 William D Mcgillen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
G; G03; G03C; G03C9/00; B; B41; B41M; B41M3/00; B41M3/06; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; G03C1/00; G03C1/76; G03C1/775; G03C1/79; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/26; Y10T428/269; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A HOT MELT COMPOSITION CONTAINING 60-95 PERCENT POLYETHYLENE HAVING A MOLECULAR WEIGHT OF 1500-10000, A DENSITY OF 0.87 TO 0.95 AND A MELT VISCOSITY AT 150*C. OF LESS THAN 20000 CPS. AND 5-40 PERCENT ETHYLENE/ETHYLACRYLATE COPOLYMER HAVING A MELT INDEX OF 15-100, A DENSITY OF .915-.95 AND AN ETHYLACRYLATE CONTENT OF 5-30 PERCENT.
Claim 2
Dependent Claim
53 words
A HOT MELT COMPOSITION CONTAINING 60-95 PERCENT POLYETHYLENE HAVING A MOLECULAR WEIGHT OF 1500-10000, A DENSITY OF 0.87 TO 0.95 AND A MELT VISCOSITY AT 150*C. OF LESS THAN 20000 CPS. AND 5-40 PERCENT ETHYLENE/ETHYLACRYLATE COPOLYMER HAVING A MELT INDEX OF 15-100, A DENSITY OF .915-.95 AND AN ETHYLACRYLATE CONTENT OF 5-30 PERCENT.
References Cited (Backward Citations)
US2868762A
Cited
US2953541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |