Patent US2744353A successfully refreshed from Google Patents.
Patent US3048557A successfully refreshed from Google Patents.
US3048557A
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Process of blending a plasticizer with a vinyl resin
Assignee: UNITED STATES STONEWEAR CO
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Filing: 1960-01-25
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Granted: 1962-08-07
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Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Don F Siddall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:20
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/82; B01; B01F; B01F31/00; B01F31/55; B01F35/00; B01F35/40; B01F35/42; B29B7/30; B29B7/34; B29B7/38; B29B7/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE PROCESS OF BLENDING A PLASTICIZER WITH A FINELY DIVIDED RESIN, THE PLASTICIZER BEING SOLUBLE IN THE RESIN WHICH COMPRISES SPRAYING THE PLASTICIZER ON TO THE RESIN IN A FLEXIBLE CONTAINER WITH A GAS-PREVIOUS WALL FABRICATED OF SMOOTH MATERIAL AND ABSORBING THE PLASTICIZER INTO THE RESIN WHILE IT REMAINS IN PARTICULATE FORM WHILE AGITATING THE PARTICULATE MATERIAL, WHILE PASSING HEATED GAS THROUGH THE WALL OF THE CONTAINE INTO DIRECT CONTACT WITH THE PLASTICIZER AND RESIN THEREIN TO HEAT THEM, AND FLEXING THE CONTAINER WALL TO PREVENT THE PERMANENT ADHERENCE OF PARTICULATE MATERIAL THERETO, AND SIMULTANEOUSLY BLOWING A HEATED GAS INTO CONTACT WITH THE PARTICULATE MATERIAL IN THE CONTAINER AND THEREBY HEATING IT TO A TEMPERATURE BELOW THE MINIMUM TEMPERATURE DETRIMENTAL TO THE RESIN-PLASTICIZER MIXTURE.
Claim 2
Dependent Claim
124 words
THE PROCESS OF BLENDING A PLASTICIZER WITH A FINELY DIVIDED RESIN, THE PLASTICIZER BEING SOLUBLE IN THE RESIN WHICH COMPRISES SPRAYING THE PLASTICIZER ON TO THE RESIN IN A FLEXIBLE CONTAINER WITH A GAS-PREVIOUS WALL FABRICATED OF SMOOTH MATERIAL AND ABSORBING THE PLASTICIZER INTO THE RESIN WHILE IT REMAINS IN PARTICULATE FORM WHILE AGITATING THE PARTICULATE MATERIAL, WHILE PASSING HEATED GAS THROUGH THE WALL OF THE CONTAINE INTO DIRECT CONTACT WITH THE PLASTICIZER AND RESIN THEREIN TO HEAT THEM, AND FLEXING THE CONTAINER WALL TO PREVENT THE PERMANENT ADHERENCE OF PARTICULATE MATERIAL THERETO, AND SIMULTANEOUSLY BLOWING A HEATED GAS INTO CONTACT WITH THE PARTICULATE MATERIAL IN THE CONTAINER AND THEREBY HEATING IT TO A TEMPERATURE BELOW THE MINIMUM TEMPERATURE DETRIMENTAL TO THE RESIN-PLASTICIZER MIXTURE.
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |