US2845404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internally plasticized polymers of vinyl chloride
Assignee: Uniroyal Inc
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Filing: 1955-04-28
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Granted: 1958-07-29
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Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Harold K Garner
- 👤 Hubert F Jordan
- 👤 Wendell V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:30
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F18/00; C08F18/02; C08F18/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A THERMOPLASTIC RESINOUS TERPOLYMER OF VINYL CHLORIDE, A VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIC ACID, SAID ACID HAVING FROM 8 TO 1, CARBON ATOMS PER MOLECULE, AND A DIALKYL MALEATE HAVING FROM 7 TO 18 CARBON ATOMS IN EACH ALKYL GROUP, SAID TERPOLYMER BEING FORMED FROM A MONOMERIC MIXTURE CONTAINING FROM 50 TO 95% OF VINYL CHLORIDE, THE BALANCE OF SAID MONOMERIC
Claim 2
Dependent Claim
63 words
A THERMOPLASTIC RESINOUS TERPOLYMER OF VINYL CHLORIDE, A VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIC ACID, SAID ACID HAVING FROM 8 TO 1, CARBON ATOMS PER MOLECULE, AND A DIALKYL MALEATE HAVING FROM 7 TO 18 CARBON ATOMS IN EACH ALKYL GROUP, SAID TERPOLYMER BEING FORMED FROM A MONOMERIC MIXTURE CONTAINING FROM 50 TO 95% OF VINYL CHLORIDE, THE BALANCE OF SAID MONOMERIC
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |