US2612489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic compositions comprising biphenylyl esters of aliphatic acids
Assignee: Dow Chemical Co
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Filing: 1951-03-26
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Granted: 1952-09-30
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Expires: 1971-03-26
Abstract
No abstract record available.
Inventors
- 👤 Carl B Havens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC PRODUCT CONTAINING AT LEAST 50 PER CENT OF VINYL CHLORIDE IN THE POLYMER MOLECULE, AND, AS A STABILIZING AGENT THEREOF, FROM 5 PER CENT BY WEIGHT UP TO AND INCLUDING PLASTICIZING QUANTITIES, OF THE BIPHENYLYL ESTER OF AT LEAST ONE UNSUBSTITUTED STRAIGHT-CHAIN ALIPHATIC MONOCARBOXYLIC ACID CONTAINING FROM 10 TO 18 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF THE ALKANOIC ACIDS AND THE ALKENOIC ACIDS CONTAINING FROM 1 TO 4 ETHYLENIC DOUBLE BONDS.
Claim 2
Dependent Claim
81 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC PRODUCT CONTAINING AT LEAST 50 PER CENT OF VINYL CHLORIDE IN THE POLYMER MOLECULE, AND, AS A STABILIZING AGENT THEREOF, FROM 5 PER CENT BY WEIGHT UP TO AND INCLUDING PLASTICIZING QUANTITIES, OF THE BIPHENYLYL ESTER OF AT LEAST ONE UNSUBSTITUTED STRAIGHT-CHAIN ALIPHATIC MONOCARBOXYLIC ACID CONTAINING FROM 10 TO 18 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF THE ALKANOIC ACIDS AND THE ALKENOIC ACIDS CONTAINING FROM 1 TO 4 ETHYLENIC DOUBLE BONDS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |