US3274086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irradiated rubbery elastomeric ethylene-alkyl acrylate interpolymers
Assignee: Union Carbide Corp
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Filing: 1962-06-29
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Granted: 1966-09-20
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 James E Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:23
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD FOR PRODUCING ETHYLENE-ALKYL ACRYLATE COPOLYMERS OF LOW MELT INDEX WHICH COMPRISES THE STEP OF IRRADIATING A NORMALLY SOLID ETHYLENE-ALKYL ACRYLATE INTERPOLYMER HAVING AN INITIAL MELT INDEX BETWEEN 1 TO 70 AND CONTAINING FROM 5 TO 40 WEIGHT PERCENT OF COMBINED ALKYL ACRYLATE AND A MAJOR AMOUNT OF COMBINED ETHYLENE WITH IONIZING RADIATION IN AN AMOUNT FROM ABOUT 0.5 TO 50 MEGAREPS COMMENSURATE WITH THE INITIAL MELT INDEX OF THE COPOLYMER SUCH THAT THE RESULTING IRRADIATED COPOLYMER HAVING A MELT INDEX LESS THAN 1.0.
Claim 2
Independent Claim
85 words
A METHOD FOR PRODUCING ETHYLENE-ALKYL ACRYLATE COPOLYMERS OF LOW MELT INDEX WHICH COMPRISES THE STEP OF IRRADIATING A NORMALLY SOLID ETHYLENE-ALKYL ACRYLATE INTERPOLYMER HAVING AN INITIAL MELT INDEX BETWEEN 1 TO 70 AND CONTAINING FROM 5 TO 40 WEIGHT PERCENT OF COMBINED ALKYL ACRYLATE AND A MAJOR AMOUNT OF COMBINED ETHYLENE WITH IONIZING RADIATION IN AN AMOUNT FROM ABOUT 0.5 TO 50 MEGAREPS COMMENSURATE WITH THE INITIAL MELT INDEX OF THE COPOLYMER SUCH THAT THE RESULTING IRRADIATED COPOLYMER HAVING A MELT INDEX LESS THAN 1.0.
References Cited (Backward Citations)
US3097150A
Cited
US3090770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |