US2776265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for blowing plastisols using n, n'-dinitroso-n, n'-dimethyl terephthalamide as the blowing agent
Assignee: EIDP Inc
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Filing: 1954-04-09
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Granted: 1957-01-01
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Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Fuller Mack Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:48
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/107; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE PROCESS OF PREPARING A CELLULAR COMPOSITION WHICH COMPRISES MIXING N,N''-DINITROSO-N.N-''DIMETHYL TGEREPHTHALAMIDE, AD PLASTICIZER AND RESIN SELECTED FROM THE CLASS CONSISTING OF VINYL CHLORIDE HOMOPOLYMERS, VINYL CHLORIDE/VINYL ACETATE COPOLYMERS, AND VINYL CHLORIDE/DEITHYL MELEATE COPOLYMERS, AND HEATING THE RESULTANT MIXTURE TO DECOMPOSE THE N,N''HIMITROSE-NHN-DI METHYL TERPHTHALAMIDE, EXPAND THE RESIN, AND FLUX THE RESIN WITH THE PLASTICIZER.
Claim 2
Dependent Claim
55 words
THE PROCESS OF PREPARING A CELLULAR COMPOSITION WHICH COMPRISES MIXING N,N''-DINITROSO-N.N-''DIMETHYL TGEREPHTHALAMIDE, AD PLASTICIZER AND RESIN SELECTED FROM THE CLASS CONSISTING OF VINYL CHLORIDE HOMOPOLYMERS, VINYL CHLORIDE/VINYL ACETATE COPOLYMERS, AND VINYL CHLORIDE/DEITHYL MELEATE COPOLYMERS, AND HEATING THE RESULTANT MIXTURE TO DECOMPOSE THE N,N''HIMITROSE-NHN-DI METHYL TERPHTHALAMIDE, EXPAND THE RESIN, AND FLUX THE RESIN WITH THE PLASTICIZER.
References Cited (Backward Citations)
US2491709A
Cited
US2683696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |