Patent US3236803A successfully refreshed from Google Patents.
US3236803A
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US
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Vinyl resins stabilized with an alkylene oxide and the reaction product of an aliphatic diol and a dihydrocarbyl phenylphosphonite
Assignee: Union Carbide Corp
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Filing: 1962-10-29
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Granted: 1966-02-22
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 James S F Huhn
- 👤 Francis J Sheets
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5393; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08K5/52; C08K5/524; C08K5/5377; C08L; C08L27/00; C08L27/02; C08L27/04; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A STABILIZED VINYL RESIN SOLUTION COMPRISING (A) AN INERT ORGANIC SOLVENT SOLUTION OF A VINYL RESIN COPOLYMER OF ACRYLONITRILE WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, SAID VINYL RESIN COPOLYMER CONTAINING FROM ABOUT 35 TO ABOUT 85 WEIGHT PERCENT OF ACRYLONITRILE POLYMERIZED THEREIN; (B) A POLYMERIC ORGANPHOSPHONITE PRODUCED BY THE HEATING OF A SATURATED ALIPHATIC DIOL SELECTED FROM THE GROUP CONSISTING OF THE ALKYLENE GLYCOLS AND ALKYLENE GLYCOL ETHERS CONTAINING FROM 2 TO 8 CARBON ATOMS WITH A DIHYDROCARBYL PHENYLPHOSPHONITE OF THE FORMULA
Claim 2
Dependent Claim
92 words
A STABILIZED VINYL RESIN SOLUTION COMPRISING (A) AN INERT ORGANIC SOLVENT SOLUTION OF A VINYL RESIN COPOLYMER OF ACRYLONITRILE WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, SAID VINYL RESIN COPOLYMER CONTAINING FROM ABOUT 35 TO ABOUT 85 WEIGHT PERCENT OF ACRYLONITRILE POLYMERIZED THEREIN; (B) A POLYMERIC ORGANPHOSPHONITE PRODUCED BY THE HEATING OF A SATURATED ALIPHATIC DIOL SELECTED FROM THE GROUP CONSISTING OF THE ALKYLENE GLYCOLS AND ALKYLENE GLYCOL ETHERS CONTAINING FROM 2 TO 8 CARBON ATOMS WITH A DIHYDROCARBYL PHENYLPHOSPHONITE OF THE FORMULA
References Cited (Backward Citations)
US3061583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |