Patent US3061531A successfully refreshed from Google Patents.
US3061531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irradiation of vinyl chloride polymer plus two unsaturated monomers
Assignee: Uniroyal Inc
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Filing: 1961-02-17
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Granted: 1962-10-30
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Wendell V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:39
CPC Classifications
C; C08; C08F; C08F259/00; C08F259/02; C08F259/04; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE PROCESS OF SUBJECTING A SOLID STATE COMPOSITION TO HIGH ENERGY IONIZING RADIATION TO A TOTAL CUMULATIVE RADIATION ABSORPTION OF FROM 4 TO 40 WATT-HOURS PER POUND, SAID SOLID STATE COMPOSITION COMPRISING ESSENTIALLY (A) A VINYL CHLORIDE POLYMER, (B) A MONOMERIC ESTER OF AN ALPHA-UNSATURATED DICARBOXYLIC ACID WITH A MONOMERIC ALCOHOL HAVING FROM 1 TO 18 CARBON ATOMS, AND (C) A MONOMERIC VINYLIDENE COMPOUND FROM THE GROUP CONSISTING OF STYRENE, ALPHA-METHYLSTYRENE, DIVINYLBENZENE, VINYLTOLUENE, VINYLCHLOROSTYRENE, DICHLOROSTYRENE, AND VINYLNAPHTHALENE, SAID MONOMERIC COMPONENTS CONSTITUTING FROM ABOUT 20% TO ABOUT 50% BY WEIGHT OF THE SUM OF THE WEIGHTS OF THE MONOMERS AND THE VINYL CHLORIDE POLYMER, AND WHEREIN THE MOLAL RATIO OF THE MONOMERIC VINYLIDENE COMPOUND TO THE MONOMERIC ESTER IS IN THE RANGE OF FROM ABOUT 0.5 TO ABOUT 3.0.
Claim 2
Dependent Claim
128 words
THE PROCESS OF SUBJECTING A SOLID STATE COMPOSITION TO HIGH ENERGY IONIZING RADIATION TO A TOTAL CUMULATIVE RADIATION ABSORPTION OF FROM 4 TO 40 WATT-HOURS PER POUND, SAID SOLID STATE COMPOSITION COMPRISING ESSENTIALLY (A) A VINYL CHLORIDE POLYMER, (B) A MONOMERIC ESTER OF AN ALPHA-UNSATURATED DICARBOXYLIC ACID WITH A MONOMERIC ALCOHOL HAVING FROM 1 TO 18 CARBON ATOMS, AND (C) A MONOMERIC VINYLIDENE COMPOUND FROM THE GROUP CONSISTING OF STYRENE, ALPHA-METHYLSTYRENE, DIVINYLBENZENE, VINYLTOLUENE, VINYLCHLOROSTYRENE, DICHLOROSTYRENE, AND VINYLNAPHTHALENE, SAID MONOMERIC COMPONENTS CONSTITUTING FROM ABOUT 20% TO ABOUT 50% BY WEIGHT OF THE SUM OF THE WEIGHTS OF THE MONOMERS AND THE VINYL CHLORIDE POLYMER, AND WHEREIN THE MOLAL RATIO OF THE MONOMERIC VINYLIDENE COMPOUND TO THE MONOMERIC ESTER IS IN THE RANGE OF FROM ABOUT 0.5 TO ABOUT 3.0.
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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 |