US3240766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film compositions comprising a terpolymer of ethylene, one other alpha-olefin and a vinyl ester
Assignee: Dow Chemical Co
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Filing: 1962-03-14
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Granted: 1966-03-15
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Expires: 1982-03-14
Abstract
No abstract record available.
Inventors
- 👤 John E Thomson
- 👤 Hardy E Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:19
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOSITION OF MATER COMPRISING A RANDOM TERPOLYMER OF (A) ABOUT 53 TO ABOUT 98.9 PERCENT BY WEIGHT OF ETHYLENE, (B) ABOUT 0.1 TO ABOUT 2 PERCENT BY WEIGHT OF AN ALPHA-UNSATURATED OLEFIN HAVING FROM 3 TO 18 CARBON ATOMS, AND (C) ABOUT 1 TO ABOUT 45 PERCENT BY WEIGHT OF A VINYL ESTER OF A LOWER ALKANOIC MONOBASIC ACID, ALL PERCENTAGES BASED ON THE TOTAL WEIGHT OF THE TERPOLYMER.
Claim 2
Dependent Claim
70 words
A COMPOSITION OF MATER COMPRISING A RANDOM TERPOLYMER OF (A) ABOUT 53 TO ABOUT 98.9 PERCENT BY WEIGHT OF ETHYLENE, (B) ABOUT 0.1 TO ABOUT 2 PERCENT BY WEIGHT OF AN ALPHA-UNSATURATED OLEFIN HAVING FROM 3 TO 18 CARBON ATOMS, AND (C) ABOUT 1 TO ABOUT 45 PERCENT BY WEIGHT OF A VINYL ESTER OF A LOWER ALKANOIC MONOBASIC ACID, ALL PERCENTAGES BASED ON THE TOTAL WEIGHT OF THE TERPOLYMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |