Patent US2699460A successfully refreshed from Google Patents.
US2966470A
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Process of foaming an admixture of a plastisol and an aqueous surfactant solution
Assignee: Chemedical Res Associates
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Filing: 1955-05-26
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Granted: 1960-12-27
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Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Martin S Maltenfort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:28
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; Y; Y10; Y10S; Y10S521/00; Y10S521/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE PROCESS OF PRODUCING A UNIFORM OPEN-CELL PLASTIC MATERIAL WHICH COMPRISES MIXING TOGETHER A PLASTISOL FORMED FROM A THERMOPLASTIC CONSISTING ESSENTIALLY OF A VINYL HALIDE RESIN AND AN AQUEOUS SURFACTANT SOLUTION, SAID SURFACTANT BEING AT LEAST ONE SELECTED FROM THE GROUP CONSISTING OF ANIONIC AND NONIONIC AND SAID SOLUTION BEING INCOMPATIBLE WITH SAID PLASTISOL, BEATING SAID RESULTING MIXTURE TO INCORPORATE AIR PARTICLES THEREIN TO FORM A FOAM, SAID FOAM HAVING A CONTINUOUS PLASTISOL PHASE, A DISCONTINUOUS AQUEOUS PHASE, AND A DISCONTINU-
Claim 2
Dependent Claim
81 words
THE PROCESS OF PRODUCING A UNIFORM OPEN-CELL PLASTIC MATERIAL WHICH COMPRISES MIXING TOGETHER A PLASTISOL FORMED FROM A THERMOPLASTIC CONSISTING ESSENTIALLY OF A VINYL HALIDE RESIN AND AN AQUEOUS SURFACTANT SOLUTION, SAID SURFACTANT BEING AT LEAST ONE SELECTED FROM THE GROUP CONSISTING OF ANIONIC AND NONIONIC AND SAID SOLUTION BEING INCOMPATIBLE WITH SAID PLASTISOL, BEATING SAID RESULTING MIXTURE TO INCORPORATE AIR PARTICLES THEREIN TO FORM A FOAM, SAID FOAM HAVING A CONTINUOUS PLASTISOL PHASE, A DISCONTINUOUS AQUEOUS PHASE, AND A DISCONTINU-
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |