Patent US3383337A successfully refreshed from Google Patents.
US3383337A
Expired / Lapsed
US
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Method of treating a plastisol composition containing an epoxy resin adhesive
Assignee: Occidental Chemical Corp
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Filing: 1962-08-02
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Granted: 1968-05-14
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Expires: 1982-08-02
Abstract
No abstract record available.
Inventors
- 👤 Richard A Garling
- 👤 Walter R Hausch
- 👤 Charles W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:54
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08J; C08J9/00; C08J9/32; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/15; C09; C09J; C09J163/00; C08L2666/00; C08L2666/02; C08L2666/04; C08L63/00; C09J2463/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE PROCESS OF DISSOLVING RESINOUS VINYL CHLORIDE POLYMER IN AN ESTER PLASTICIZER, THE PLASTICIZER HAVING DISSOLVED THEREIN AN EPOXY RESIN ADHESIVE WHICH IS CURABLE AT A HIGHER TEMPERATURE AT WHICH THE POLYMER IS SOLUBLE IN THE PLASTICIZER, THE CURED ADHESIVE BEING SUBSTANTIALLY INSOLUBLE IN THE PLASTICIZER, WHICH PROCESS COMPRISES HEATING THE PLASTISOL WITH THE AADHESIVE DISTRIBUTED IN THE PLASTICIZER HEREOF TO SAID HERE TEMPERATURE WHICH IS ABOVE THE TEMPERATURE OF SOLUTON OF THE POLYMER IN THE PLASTICIZER AND THEREBY (1) DISSOLVING THE PLASTISOL RESIN IN THE PLASTICIZER AND (2) CURING THE ADHESIVE AND SEPARATING AT LEAST SOME OF IT TO THE SURFACE OF THE RESULTING PLASTICIZED RESIN COMPOSITION.
Claim 2
Dependent Claim
108 words
THE PROCESS OF DISSOLVING RESINOUS VINYL CHLORIDE POLYMER IN AN ESTER PLASTICIZER, THE PLASTICIZER HAVING DISSOLVED THEREIN AN EPOXY RESIN ADHESIVE WHICH IS CURABLE AT A HIGHER TEMPERATURE AT WHICH THE POLYMER IS SOLUBLE IN THE PLASTICIZER, THE CURED ADHESIVE BEING SUBSTANTIALLY INSOLUBLE IN THE PLASTICIZER, WHICH PROCESS COMPRISES HEATING THE PLASTISOL WITH THE AADHESIVE DISTRIBUTED IN THE PLASTICIZER HEREOF TO SAID HERE TEMPERATURE WHICH IS ABOVE THE TEMPERATURE OF SOLUTON OF THE POLYMER IN THE PLASTICIZER AND THEREBY (1) DISSOLVING THE PLASTISOL RESIN IN THE PLASTICIZER AND (2) CURING THE ADHESIVE AND SEPARATING AT LEAST SOME OF IT TO THE SURFACE OF THE RESULTING PLASTICIZED RESIN COMPOSITION.
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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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |