Patent US2539207A successfully refreshed from Google Patents.
US2539207A
Expired / Lapsed
US
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Plasticized vinyl halide resins
Assignee: General Electric Co
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Filing: 1948-09-01
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Granted: 1951-01-23
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Expires: 1968-09-01
Abstract
No abstract record available.
Inventors
- 👤 Moyer M Safford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L67/00; C08L67/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOSITION COMPRISING, BY WEIGHT, (1) 100 PARTS OF A VINYL HALIDE RESIN, (2) FROM 5 TO 33 1/3 PARTS OF A POLYMERIZABLE PLASTICIZER COMPRISING A MIXTURE OF POLYMERIZABLE INGREDIENTS CONTAINING (A) AN ESTERIFICATION PRODUCT OF AN ALPHA UNSATURATED, ALPHA, BETA POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL AND (B) A POLYALLYL ESTER OF AN AROMATIC POLYCARBOXYLIC ACID WHEREIN THE ALLYL RESIDUE OF THE SAID ESTER CORRESPONDS TO THE GENERAL FORMULA
Claim 2
Dependent Claim
70 words
A COMPOSITION COMPRISING, BY WEIGHT, (1) 100 PARTS OF A VINYL HALIDE RESIN, (2) FROM 5 TO 33 1/3 PARTS OF A POLYMERIZABLE PLASTICIZER COMPRISING A MIXTURE OF POLYMERIZABLE INGREDIENTS CONTAINING (A) AN ESTERIFICATION PRODUCT OF AN ALPHA UNSATURATED, ALPHA, BETA POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL AND (B) A POLYALLYL ESTER OF AN AROMATIC POLYCARBOXYLIC ACID WHEREIN THE ALLYL RESIDUE OF THE SAID ESTER CORRESPONDS TO THE GENERAL FORMULA
References Cited (Backward Citations)
US2155590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |