US2842512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrahydrofurfuryl naphthenate and vinyl polymers plasticized therewith
Assignee: Sunoco Inc
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Filing: 1953-04-21
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Granted: 1958-07-08
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Expires: 1973-04-21
Abstract
No abstract record available.
Inventors
- 👤 James L Jezl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1535; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PLASTIC VINYLIDENE POLYMER COMPOSITION CONSISTING ESSENTIALLY OF VINYLIDENE POLYMER PLASTICIZED WITH TETRAHYDROFURFURYL ALCOHOL ESTERS OF PETROLEUM NAPHTHENIC ACIDS HAVING SAPONIFICATION NUMBER WITHIN THE APPROXIMATE RANGE FROM 150 TO 250 MG. OF KOH PER GRAM, SAID ESTERS COMPRISING 5 TO 60 WEIGHT PERCENT OF THE TOTAL COMPOSITION
Claim 2
Dependent Claim
47 words
A PLASTIC VINYLIDENE POLYMER COMPOSITION CONSISTING ESSENTIALLY OF VINYLIDENE POLYMER PLASTICIZED WITH TETRAHYDROFURFURYL ALCOHOL ESTERS OF PETROLEUM NAPHTHENIC ACIDS HAVING SAPONIFICATION NUMBER WITHIN THE APPROXIMATE RANGE FROM 150 TO 250 MG. OF KOH PER GRAM, SAID ESTERS COMPRISING 5 TO 60 WEIGHT PERCENT OF THE TOTAL COMPOSITION
References Cited (Backward Citations)
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 |