Patent US2849423A successfully refreshed from Google Patents.
US2849423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl resins for application as solvent solutions
Assignee: Occidental Chemical Corp
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Filing: 1956-01-13
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Granted: 1958-08-26
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Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Jr George P Rowland
- 👤 Robert A Piloni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:00
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
PROCESS WHICH COMPRISES SUBJECTING TO A FREE-RADICAL-GENERATING CATALYST AND FREE-RADICAL POLYMERIZING CONDITIONS, A MIXTURE CONSSISTING OF PERCENT VINYL CHLORIDE -- 55-75 A DI-(SATURATED HYDROCARBON) ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF MELEIC, FURAMIC AND CHLOROMALEIC ACIDS CONTAINING 6-24 CARBON ATOMS-- 14-35 MONO-N-BUTYL MONOHYDROGEN HYDROCARBON CONTAINING UP TO A SATURATED HALOGENATED HYROCARBON CONTAINING UP TO 10 CARBON ATOMS AND UP TO 5 HALOGEN ATOMS SELECTED FROM THE GROUP CONSISTING OF FLOURINE, BROMINE AND IODINE -- 1.0-6.5
Claim 2
Dependent Claim
78 words
PROCESS WHICH COMPRISES SUBJECTING TO A FREE-RADICAL-GENERATING CATALYST AND FREE-RADICAL POLYMERIZING CONDITIONS, A MIXTURE CONSSISTING OF PERCENT VINYL CHLORIDE -- 55-75 A DI-(SATURATED HYDROCARBON) ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF MELEIC, FURAMIC AND CHLOROMALEIC ACIDS CONTAINING 6-24 CARBON ATOMS-- 14-35 MONO-N-BUTYL MONOHYDROGEN HYDROCARBON CONTAINING UP TO A SATURATED HALOGENATED HYROCARBON CONTAINING UP TO 10 CARBON ATOMS AND UP TO 5 HALOGEN ATOMS SELECTED FROM THE GROUP CONSISTING OF FLOURINE, BROMINE AND IODINE -- 1.0-6.5
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |