US3131166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-phenoxyethyl vinyl ethers and polymerization products thereof
Assignee: Union Carbide Corp
•
Filing: 1960-12-27
•
Granted: 1964-04-28
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Harris
- 👤 John W Lynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A COPOLYMER OF 2-(2'',4'',5''-TRICHLOROPHENOXY)ETHYL VINYL ETHER AND VINYL CHLORIDE.
Claim 2
Dependent Claim
9 words
A COPOLYMER OF 2-(3'',5-DIMETHYLPHENOXY)ETHYL VINYL ETHER AND VINYL CHLORIDE.
References Cited (Backward Citations)
US2244308A
Cited
US2515164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |