US3204013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light stabilized compositions comprising polyvinyl chloride, polyurethane and ethylene oxide
Assignee: Day International Corp
•
Filing: 1961-05-23
•
Granted: 1965-08-31
•
Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Carroll H Osborn
- 👤 Doyle V Haren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:55
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08K5/49; C08K5/51; C08K5/52; C08L75/00; C08L75/04; C08L75/06; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1379
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF POLYVINYL CHLORIDE AND A THERMOPLASTIC POLYURETHANE ELASTOMER AND ABOUT 2 TO 5 PARTS BY WEIGHT OF ETHYLENE OXIDE PER 100 PARTS OF SAID MIXTURE; SAID POLYURETHANE BEING THE REACTION PRODUCT OF DIPHENYL-METHANE-P.P''-DIISOCYANATE, ADIPIC ACID, AND BUTANEDIOL-1,4, AND HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 36,000.
Claim 2
Dependent Claim
53 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF POLYVINYL CHLORIDE AND A THERMOPLASTIC POLYURETHANE ELASTOMER AND ABOUT 2 TO 5 PARTS BY WEIGHT OF ETHYLENE OXIDE PER 100 PARTS OF SAID MIXTURE; SAID POLYURETHANE BEING THE REACTION PRODUCT OF DIPHENYL-METHANE-P.P''-DIISOCYANATE, ADIPIC ACID, AND BUTANEDIOL-1,4, AND HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 36,000.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |