Patent US1156241A successfully refreshed from Google Patents.
Patent US2842514A successfully refreshed from Google Patents.
US2842514A
Expired / Lapsed
US
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Resin compositions containing esters of polyhydric alcohols as plasticizers for the resin
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-09-24
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Granted: 1958-07-08
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Expires: 1974-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey H Bartlett
- 👤 Jr Paul V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:01
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A PLASTIC COMPOSITION OF MATTER COMPRISING A POLYVINYL RESIN AND A PLASTICIZER THEREFOR CONSISTING OF AN ESTER OF A C5 TO C7 SATURATED ALIPHATIC ACID AND A MIXTURE OF ALIPHATIC POLYHYDRIC ALCOHOLS, HAVING A HYDROXYL VALUE OF ABOUT 1.15 TO 1.32, SAID ALCOHOLS BEING PREPARED BY REACTING FORMALDEHYDE WITH C8 ALIPHATIC ALDEHYDES FOR ABOUT 4 TO 10 HOURS AT ABOUT ROOM TEMPERATURE.
References Cited (Backward Citations)
US2545811A
Cited
US2738370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |