US2849424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl resins for application as solvent solutions
Assignee: Bridgestone Firestone Inc
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Filing: 1956-01-17
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Granted: 1958-08-26
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Expires: 1976-01-17
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
2026-10-24 23:27
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
PROCESS WHICH COMPRISES SUBJECTING TO A FREE-RADICAL-GENERATING CATALYST AND FREE-RADICAL POLYMERIZING CONDITIONS, AT TEMPERATURES IN THE RANGE OF 70*-85*C., A MIXTURE CONSISTING OF PERCENT VINYL CHLORIDE -- 55-75 A DI-(SATURATED HYDROCARBON) DIESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC, CHLROOMALEIC AND FURAMIC ACIDS CONTAINING 6-24 CARBON ATOMS -- 14-35 A MONO-(SATURATED HYDROCARBON) MONOHYDROGEN ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC CHLOROMALEIC AND FUMARIC ACIDS CONTAINING 5-14 CARBON ATOMS -- 5-10
Claim 2
Dependent Claim
77 words
PROCESS WHICH COMPRISES SUBJECTING TO A FREE-RADICAL-GENERATING CATALYST AND FREE-RADICAL POLYMERIZING CONDITIONS, AT TEMPERATURES IN THE RANGE OF 70*-85*C., A MIXTURE CONSISTING OF PERCENT VINYL CHLORIDE -- 55-75 A DI-(SATURATED HYDROCARBON) DIESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC, CHLROOMALEIC AND FURAMIC ACIDS CONTAINING 6-24 CARBON ATOMS -- 14-35 A MONO-(SATURATED HYDROCARBON) MONOHYDROGEN ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC CHLOROMALEIC AND FUMARIC ACIDS CONTAINING 5-14 CARBON ATOMS -- 5-10
References Cited (Backward Citations)
US2462422A
Cited
USRE24206E
Cited
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 |