US2654723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl composition and method of making same
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1950-11-01
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Granted: 1953-10-06
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Expires: 1970-11-01
Abstract
No abstract record available.
Inventors
- 👤 Charles E Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A COMPOSITION CONTAINING FROM 25 TO 95 PER CENT OF A SOLID POLYMERIC VINYL CHLORIDE AND 5 TO 75 PER CENT OF A DIESTER OF A MONOCARBOXYLIC KETO ALIPHATIC ACID OF NOT IN EXCESS OF FIVE CARBON ATOMS AND OF A GLYCOL HAVING LESS THAN EIGHT CARBON ATOMS AND HAVING TWO HYDROXY GROUPS BOTH OF WHICH ARE ON TERMINAL CARBON ATOMS.
Claim 2
Dependent Claim
61 words
A COMPOSITION CONTAINING FROM 25 TO 95 PER CENT OF A SOLID POLYMERIC VINYL CHLORIDE AND 5 TO 75 PER CENT OF A DIESTER OF A MONOCARBOXYLIC KETO ALIPHATIC ACID OF NOT IN EXCESS OF FIVE CARBON ATOMS AND OF A GLYCOL HAVING LESS THAN EIGHT CARBON ATOMS AND HAVING TWO HYDROXY GROUPS BOTH OF WHICH ARE ON TERMINAL CARBON ATOMS.
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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) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |