US3301798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride foam
Assignee: Vanderbilt Chemicals LLC
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Filing: 1963-04-16
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Granted: 1967-01-31
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Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Waterman
- 👤 Donald C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; Y; Y10; Y10S; Y10S264/00; Y10S264/13; Y10S264/60; Y10S521/00; Y10S521/911
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
162 words
AN UNFOAMED PLASTISOL ESPECIALLY ADAPTED FOR THE FORMATION OF AN OPEN CELL POLYVINYL CHLORIDE FOAM BY THE INCORPORATION OF AIR THEREIN WHICH COMPRISES ABOUT 100 PARTS BY WEIGHT OF POLYVINYL CHLORIDE RESIN PARTICLES DISPERSED IN FROM ABOUT 45 TO ABOUT 350 PARTS BY WEIGHT OF PLASTICIZER THEREFOR, FROM ABOUT 2 TO ABOUT 16 PARTS BY WEIGHT OF A SOAP BLEND CONSISTING OF AT LEAST ABOUT 0.5 PART BY WEIGHT OF ALKALI METAL SOAP AND AT LEAST 1.5 PARTS BY WEIGHT OF AMINE SOAP, AND FROM ABOUT 0.2 TO ABOUT 3.0 PARTS BY WEIGHT OF WATER, SAID ALKALI METAL SOAP BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS AND SAID AMINE SOAP BEING SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS.
Claim 2
Dependent Claim
162 words
AN UNFOAMED PLASTISOL ESPECIALLY ADAPTED FOR THE FORMATION OF AN OPEN CELL POLYVINYL CHLORIDE FOAM BY THE INCORPORATION OF AIR THEREIN WHICH COMPRISES ABOUT 100 PARTS BY WEIGHT OF POLYVINYL CHLORIDE RESIN PARTICLES DISPERSED IN FROM ABOUT 45 TO ABOUT 350 PARTS BY WEIGHT OF PLASTICIZER THEREFOR, FROM ABOUT 2 TO ABOUT 16 PARTS BY WEIGHT OF A SOAP BLEND CONSISTING OF AT LEAST ABOUT 0.5 PART BY WEIGHT OF ALKALI METAL SOAP AND AT LEAST 1.5 PARTS BY WEIGHT OF AMINE SOAP, AND FROM ABOUT 0.2 TO ABOUT 3.0 PARTS BY WEIGHT OF WATER, SAID ALKALI METAL SOAP BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS AND SAID AMINE SOAP BEING SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS.
Claim 3
Dependent Claim
158 words
A LIQUID FROTHING AID OR FOAM FORMER ESPECIALLY ADAPTED FOR PROMOTING FOAM FORMATION AND PREVENTING COLLAPSE THEREOF BY THE INCORPORATION OF AIR INTO AN UNFOAMED POLYVINYL CHLORIDE PLASTISOL CONTAINING SAID LIQUID WHICH COMPRISES A BLEND OF FROM ABOUT 2 TO ABOUT 16 PARTS BY WEIGHT OF A SOAP BLEND AND FROM ABOUT 0.2 TO ABOUT 3.0 PARTS BY WEIGHT OF WATER, THE SOAP BLEND CONSISTING OF FROM ABOUT 3% TO ABOUT 91% BY WEIGHT OF ALKALI METAL SOAP AND FROM ABOUT 97% TO ABOUT 9% BY WEIGHT OF AMINE SOAP RESPECTIVELY; SAID ALKALI METAL SOAP BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS AND SAID AMINE SOAP BEING SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS.
Claim 4
Dependent Claim
158 words
A LIQUID FROTHING AID OR FOAM FORMER ESPECIALLY ADAPTED FOR PROMOTING FOAM FORMATION AND PREVENTING COLLAPSE THEREOF BY THE INCORPORATION OF AIR INTO AN UNFOAMED POLYVINYL CHLORIDE PLASTISOL CONTAINING SAID LIQUID WHICH COMPRISES A BLEND OF FROM ABOUT 2 TO ABOUT 16 PARTS BY WEIGHT OF A SOAP BLEND AND FROM ABOUT 0.2 TO ABOUT 3.0 PARTS BY WEIGHT OF WATER, THE SOAP BLEND CONSISTING OF FROM ABOUT 3% TO ABOUT 91% BY WEIGHT OF ALKALI METAL SOAP AND FROM ABOUT 97% TO ABOUT 9% BY WEIGHT OF AMINE SOAP RESPECTIVELY; SAID ALKALI METAL SOAP BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS AND SAID AMINE SOAP BEING SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF SATURATED AND UNSATURATED FATTY ACIDS, INCLUDING HYDROXY FATTY ACIDS, AND MIXTURES THEREOF HAVING FROM 8 TO 24 CARBON ATOMS.
References Cited (Backward Citations)
US2925397A
Cited
US2966470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |