US3249570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terpolymer of ethylene, alkyl acrylate and acrylic acid
Assignee: Union Carbide Corp
•
Filing: 1962-11-15
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Granted: 1966-05-03
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Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 James E Potts
- 👤 Chester L Purcell
- 👤 Robert J Turbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/12; C08J; C08J5/00; C08J5/18; C08F210/00; C08F210/02; C08F2800/00; C08F2800/20; C08F2810/00; C08F2810/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A TERPOLYMER OF ETHYLENE, ALKYL ACRYLATE AND ACRYLIC ACID HAVING A MELT INDEX OF AT LEAST 0.5 AT 190*C. AND 44 P.S.I. WHICH COMPRISES A PREDOMINANT AMOUNT OF COMBINED ETHYLENE, FROM ABOUT 0.1 TO ABOUT 40 WEIGHT PERCENT COMBINED ACRYLIC ACID, AND UP TO 30 WEIGHT PERCENT COMBINED ALKYL ACRYLATE, SIAD ALKYL GROUP CONTAINING FROM 1 TO 12 CARBON ATOMS, SAID TERPOLYMER HAVING BEEN MADE BY THE HYDROLYSIS OF AN ETHYLENE/ALKYL ACRYLATE COPOLYMER.
Claim 2
Dependent Claim
73 words
A TERPOLYMER OF ETHYLENE, ALKYL ACRYLATE AND ACRYLIC ACID HAVING A MELT INDEX OF AT LEAST 0.5 AT 190*C. AND 44 P.S.I. WHICH COMPRISES A PREDOMINANT AMOUNT OF COMBINED ETHYLENE, FROM ABOUT 0.1 TO ABOUT 40 WEIGHT PERCENT COMBINED ACRYLIC ACID, AND UP TO 30 WEIGHT PERCENT COMBINED ALKYL ACRYLATE, SIAD ALKYL GROUP CONTAINING FROM 1 TO 12 CARBON ATOMS, SAID TERPOLYMER HAVING BEEN MADE BY THE HYDROLYSIS OF AN ETHYLENE/ALKYL ACRYLATE COPOLYMER.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |