US2562897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of vinyl chloride, allyl glycidyl ether, and allyl esters of hydroxyalkanoic acids
Assignee: EIDP Inc
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Filing: 1950-05-06
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Granted: 1951-08-07
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Expires: 1970-05-06
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth K Ellingboe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A COPOLYMER, THE POLYMERIC COMPONENTS OF WHICH ESSENTIALLY CONSIST OF, BY WEIGHT, 70%-85% POLYMERIZED VINYL CHLORIDE, 4%-28% POLYMERIZED ALLYL GLYCIDYL ETHER, AND 2%-26% OF A POLYMERIZED ALLYL ESTER OF A MONO(PRIMARY HYDROXY) ALKANOIC ACID OF TWO TO SIX CARBON ATOMS, INCLUSIVE.
Claim 2
Dependent Claim
41 words
A COPOLYMER, THE POLYMERIC COMPONENTS OF WHICH ESSENTIALLY CONSIST OF, BY WEIGHT, 70%-85% POLYMERIZED VINYL CHLORIDE, 4%-28% POLYMERIZED ALLYL GLYCIDYL ETHER, AND 2%-26% OF A POLYMERIZED ALLYL ESTER OF A MONO(PRIMARY HYDROXY) ALKANOIC ACID OF TWO TO SIX CARBON ATOMS, INCLUSIVE.
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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |