US3084127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making a cellular material from a vinyl chloride polymer plastisol
Assignee: Goodrich Corp
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Filing: 1960-12-06
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Granted: 1963-04-02
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Expires: 1980-12-06
Abstract
No abstract record available.
Inventors
- 👤 Walter J Vakousky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:08
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/065; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A PROCESS FOR MAKING A CELLULAR MATERIAL FROM A VINUL CHLORIDE POLYMER PLASTISOL COMPOSITION CONTAINING A VINYL CHLORIDE POLYMER WHICH COMPRISES ADDING TO SAID VINYL CHLORIDE POLYMER WHICH COMPRISES ADDING TO SAID PLASTISOL COMPOSITION (1) A CHEMICAL BLOWING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM BOROHYDRIDE, POTASSIUM BOROHYDRIDE, RUBIDIUM BOROHYDRIDE AND CESIUM BOROHYDRIDE, (2) WATER FOR REACTING WITH THE SAID CHEMICAL BLOWING AGENT TO PRODUCE HYDROGEN GAS FOR EXPANDING THE SAID PLASTISOL COMPOSITION AND (3) AND ISOCYANATE TO DELAY THE REACTION BETWEEN THE SAID CHEMICAL BLOWING AGENT AND THE WATER TO ALLOW ADDITIONAL TIME BEFORE SAID PLASTISOL COMPOSITION COMMENCES TO EXPAND, SAID ISOCYANATE HAVING THE STRUCTURAL FORMULA R(NCO)X WHERE R IS AN ORGANIC RADICAL FREE OF REACTIVE HYDROGEN AND X IS AN INTEGER, SAID CHEMICAL BLOWING AGENT AND WATER BEING INTERMIXED IN SAID PLASTISOL COMPOSITION IN THE PRESENCE OF SAID ISOCYANATE, ALLOWING SAID CHEMICAL BLOWING AGENT AND WATER TO REACT IN SAID PLASTISOL COMPOSITION TO EXPAND SAID PLASTISOL COMPOSITION INTO A CELLULAR MASS, AND HEATING THE EXPANDED PLASTISOL COMPOSITION TO GEL AND FUSE SAID EXPANDED PLASTISOL COMPOSITION.
Claim 2
Dependent Claim
178 words
A PROCESS FOR MAKING A CELLULAR MATERIAL FROM A VINUL CHLORIDE POLYMER PLASTISOL COMPOSITION CONTAINING A VINYL CHLORIDE POLYMER WHICH COMPRISES ADDING TO SAID VINYL CHLORIDE POLYMER WHICH COMPRISES ADDING TO SAID PLASTISOL COMPOSITION (1) A CHEMICAL BLOWING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM BOROHYDRIDE, POTASSIUM BOROHYDRIDE, RUBIDIUM BOROHYDRIDE AND CESIUM BOROHYDRIDE, (2) WATER FOR REACTING WITH THE SAID CHEMICAL BLOWING AGENT TO PRODUCE HYDROGEN GAS FOR EXPANDING THE SAID PLASTISOL COMPOSITION AND (3) AND ISOCYANATE TO DELAY THE REACTION BETWEEN THE SAID CHEMICAL BLOWING AGENT AND THE WATER TO ALLOW ADDITIONAL TIME BEFORE SAID PLASTISOL COMPOSITION COMMENCES TO EXPAND, SAID ISOCYANATE HAVING THE STRUCTURAL FORMULA R(NCO)X WHERE R IS AN ORGANIC RADICAL FREE OF REACTIVE HYDROGEN AND X IS AN INTEGER, SAID CHEMICAL BLOWING AGENT AND WATER BEING INTERMIXED IN SAID PLASTISOL COMPOSITION IN THE PRESENCE OF SAID ISOCYANATE, ALLOWING SAID CHEMICAL BLOWING AGENT AND WATER TO REACT IN SAID PLASTISOL COMPOSITION TO EXPAND SAID PLASTISOL COMPOSITION INTO A CELLULAR MASS, AND HEATING THE EXPANDED PLASTISOL COMPOSITION TO GEL AND FUSE SAID EXPANDED PLASTISOL COMPOSITION.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |