Patent US2807598A successfully refreshed from Google Patents.
US2807598A
Expired / Lapsed
US
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Composition comprising a thermoplastic high polymeric material and an ester plasticizer
Assignee: BASF SE
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Filing: 1954-06-22
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Granted: 1957-09-24
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Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 Hoelscher Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A COMPOSITION OF MATTER COMPRISING A THERMOPLASTIC HIGH POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYMERS OF VINYL CHLORIDE, POLYMERS OF VINYLIDENE CHLORIDE, POLYVINYL ACETATE AND CELLULOSE ESTERS AND CELLULOSE ETHERS, AND AS PLASTICIZER AN ESTER OF PARA-CHLORGAMMA-PHENYLBUTYRIC ACID HAVING A BOILING POINT ABOVE 280*C.
References Cited (Backward Citations)
US2648652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |