US3239370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-melt extrusion coating of random copolymer of ethylene and mono-carboxylic acid
Assignee: Dow Chemical Co
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Filing: 1962-05-14
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Granted: 1966-03-08
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 John E Thomson
- 👤 Jr John V Landry
- 👤 Marion W Zembal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:00
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/26; B32; B32B; B32B27/00; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31895; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AN ARTICLE OF MANUFACTURE COMPRISING A NON-METALLIC SUBSTRATE HAVING A COATING THEREON OF A RANDOM COPOLYMER OF ETHYLENE AND AN $ MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID HAVING FROM 3 TO 7 CARBON ATOMS SAID COPOLYMER CONTAINING FROM ABOUT 2 PERCENT BY WEIGHT TO ABOUT 12 PERCENT BY WEIGHT OF SAID ACID.
Claim 2
Dependent Claim
50 words
AN ARTICLE OF MANUFACTURE COMPRISING A NON-METALLIC SUBSTRATE HAVING A COATING THEREON OF A RANDOM COPOLYMER OF ETHYLENE AND AN $ MONOETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID HAVING FROM 3 TO 7 CARBON ATOMS SAID COPOLYMER CONTAINING FROM ABOUT 2 PERCENT BY WEIGHT TO ABOUT 12 PERCENT BY WEIGHT OF SAID ACID.
References Cited (Backward Citations)
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Cited
US2714571A
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US2894853A
Cited
US2970129A
Cited
US3072483A
Cited
US3132120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |