US2852482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylidene polymer-dialkyl phthalatealkyl ester plastisol compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-02-07
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Granted: 1958-09-16
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Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Paul R Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN IMPROVED PLASTSOL CAPABLE OF BEING FUSED UPON HEATING INTO A STABLE CONTINUOUS PHASE, COMPRISING A SOLID THERMOPLASTIC HALOGENATED VINYLIDENE POLYMER OF PARTICLE SIZE IN THE RANGE OF ABOUT 0.05 MICRON TO ABOUT 200 MICRONS DISPERSED IN A LIQUID DIALKYL PHTHALATE PLASTICIZER FOR SAID HALOGENATED VINYLIDENE POLYMER, THE WEIGHT PROPORTIONS BEING IN THE RANGE OF ABOUT 25 TO 100 PARTS OF THE PLASTICIZER TO 100 PARTS OF THE HALOGENATED VINYLIDENE POLYMER, AND CONTAINING DISSOLVED THEREIN 0.5 TO 5 PARTS BY WEIGHT PER 100 PARTS OF THE HALOGENATED VINYLIDENE POLYMER OF AN ESTER OBTAINED BY ESTERIFYING A MIXTURE OF UNSATURATED LONG CHAIN FATTY ACIDS CONTAINING 16 TO 22 CARBON ATOMS WITH A MONOHYDRIC ALIPHATIC ALCOHOL CONTAINING FROM 3 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
121 words
AN IMPROVED PLASTSOL CAPABLE OF BEING FUSED UPON HEATING INTO A STABLE CONTINUOUS PHASE, COMPRISING A SOLID THERMOPLASTIC HALOGENATED VINYLIDENE POLYMER OF PARTICLE SIZE IN THE RANGE OF ABOUT 0.05 MICRON TO ABOUT 200 MICRONS DISPERSED IN A LIQUID DIALKYL PHTHALATE PLASTICIZER FOR SAID HALOGENATED VINYLIDENE POLYMER, THE WEIGHT PROPORTIONS BEING IN THE RANGE OF ABOUT 25 TO 100 PARTS OF THE PLASTICIZER TO 100 PARTS OF THE HALOGENATED VINYLIDENE POLYMER, AND CONTAINING DISSOLVED THEREIN 0.5 TO 5 PARTS BY WEIGHT PER 100 PARTS OF THE HALOGENATED VINYLIDENE POLYMER OF AN ESTER OBTAINED BY ESTERIFYING A MIXTURE OF UNSATURATED LONG CHAIN FATTY ACIDS CONTAINING 16 TO 22 CARBON ATOMS WITH A MONOHYDRIC ALIPHATIC ALCOHOL CONTAINING FROM 3 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
US2585222A
Cited
US2711999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |