US3376246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride plastisols having greatly improved properties
Assignee: Eastman Kodak Co
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Filing: 1966-02-07
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Granted: 1968-04-02
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 David L Valentine
- 👤 Dean C Finney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:50
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L67/00; C08L67/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/31652; Y10T428/31667; Y10T428/31678; Y10T428/31681; Y10T428/31692; Y10T428/31699; Y10T428/31786; Y10T428/3179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A VINYL CHLORIDE RESIN COMPOSITION HAVING ENHANCED ADHESION TO SUBSTATES COMPRISING A VINYL CHLORIDE POLYMER, A PLASTICIZER FOR SAID VINYL CHLORIDE POLYMER, AND FROM ABOUT 10 TO 60 PARTS PER HUNDREN PARTS OF SAID POLYMER OF AN UNSATURATED POLYESTER HAVING A MOLECULAR WEIGHT OF UP TO ABOUT 4000 OF A DIBASIC ACID AND A DIOL WHICH IS SOLID AT ROOM TEMPERATURE AND WHICH CONSISTS ESSENTIALLY OF RECURRING UNITS HAVING THE FORMULA (-G-A1-G-A2) WHEREIN G IS A DIVALENT RESIDUE OF A DIOL SELECTED FROM THE GROUP CONSISTING OF 2,2,4-TRIMETHYL-1,3-PENTANEDIOL, 2,2BIS (4-HYDROXYCYCLOHEXYL) PROPANE, AND 2,2-DIMETHYL-1,3PROPANEDIOL, A1 IS A DIVALENT RESIDUE OF A DIBASIC ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC, MALEIC, ITACONIC, MESACONIC, AND CITRACONIC ACID, AND A2 IS A DIVALENT RESIDUE OF A DIBASIC ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC, MALEIC, ITACONIC, MESACONIC, CITRACONIC, O-PHTHALIC, ISOPHTHALIC, TEREPHTHALIC, TETRAHYDROPHTHALIC, ADIPIC, SUCCINIC, AZELAIC, SEBACIC, SUBERIC, AND GLUTARIC ACID.
Claim 2
Dependent Claim
148 words
A VINYL CHLORIDE RESIN COMPOSITION HAVING ENHANCED ADHESION TO SUBSTATES COMPRISING A VINYL CHLORIDE POLYMER, A PLASTICIZER FOR SAID VINYL CHLORIDE POLYMER, AND FROM ABOUT 10 TO 60 PARTS PER HUNDREN PARTS OF SAID POLYMER OF AN UNSATURATED POLYESTER HAVING A MOLECULAR WEIGHT OF UP TO ABOUT 4000 OF A DIBASIC ACID AND A DIOL WHICH IS SOLID AT ROOM TEMPERATURE AND WHICH CONSISTS ESSENTIALLY OF RECURRING UNITS HAVING THE FORMULA (-G-A1-G-A2) WHEREIN G IS A DIVALENT RESIDUE OF A DIOL SELECTED FROM THE GROUP CONSISTING OF 2,2,4-TRIMETHYL-1,3-PENTANEDIOL, 2,2BIS (4-HYDROXYCYCLOHEXYL) PROPANE, AND 2,2-DIMETHYL-1,3PROPANEDIOL, A1 IS A DIVALENT RESIDUE OF A DIBASIC ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC, MALEIC, ITACONIC, MESACONIC, AND CITRACONIC ACID, AND A2 IS A DIVALENT RESIDUE OF A DIBASIC ACID SELECTED FROM THE GROUP CONSISTING OF FUMARIC, MALEIC, ITACONIC, MESACONIC, CITRACONIC, O-PHTHALIC, ISOPHTHALIC, TEREPHTHALIC, TETRAHYDROPHTHALIC, ADIPIC, SUCCINIC, AZELAIC, SEBACIC, SUBERIC, AND GLUTARIC ACID.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |