US3061583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized vinyl resin compositions
Assignee: Union Carbide Corp
•
Filing: 1960-02-26
•
Granted: 1962-10-30
•
Expires: 1980-02-26
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
2026-10-28 09:31
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
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A STABILIZED VINYL RESIN SOLUTION SUITABLE FOR USE IN THE PRODUCTION OF SYNTHETIC FIBERS, COMPRISING (A) AN ORGANIC SSOLVENNT 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 ACRYLONITRIL POLMERIZED THEREIN; (B) A TRIALKYL PHOSPHITE IN AN AMOUNT EFFECTING THE PRESENCE IN SAID VINYL RESIN SOLUTION OF FROM ABOUT 0.01 TO ABOUT 1 WEIGHT PERCENT OF PHOSPHORUS BASED UPON THE WEIGHT OF SAID VINYL RESIN; AND (C) AN EPOXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE UNSUBSTITUTED 1,2- AND 1,3-ALKYLENE OXIDES CONTAINING FROM 2 TO 4 CARBON ATOMS IN A CONCENTRATION OF FROM ABOUT 0.2 TO ABOUT 5 WEIGHT PERCENT BASED UPON THE WEIGHT OF SAID VINYL RESIN.
Claim 2
Dependent Claim
138 words
A STABILIZED VINYL RESIN SOLUTION SUITABLE FOR USE IN THE PRODUCTION OF SYNTHETIC FIBERS, COMPRISING (A) AN ORGANIC SSOLVENNT 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 ACRYLONITRIL POLMERIZED THEREIN; (B) A TRIALKYL PHOSPHITE IN AN AMOUNT EFFECTING THE PRESENCE IN SAID VINYL RESIN SOLUTION OF FROM ABOUT 0.01 TO ABOUT 1 WEIGHT PERCENT OF PHOSPHORUS BASED UPON THE WEIGHT OF SAID VINYL RESIN; AND (C) AN EPOXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE UNSUBSTITUTED 1,2- AND 1,3-ALKYLENE OXIDES CONTAINING FROM 2 TO 4 CARBON ATOMS IN A CONCENTRATION OF FROM ABOUT 0.2 TO ABOUT 5 WEIGHT PERCENT BASED UPON THE WEIGHT OF SAID VINYL RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |