US2956978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyalkylene glycol dibenzoates, process of making same and resinous compositions plasticized therewith
Assignee: TENNESSEE PRODUCTS AND CHEMICA
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Filing: 1953-07-30
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Granted: 1960-10-18
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Expires: 1973-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard F Reeves
- 👤 Raymond W Ingwalson
- 👤 Jr John L Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:55
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76; C07C69/78; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
THE COMBINATION WITH A PLASTICIZABLE ORGANIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF WATER INSOLUBLE VINYL RESINS, WATER INSOLUBLE CELLULOSE ESTERS AND WATER INSOLUBLE CELLULOSE ESTERS, OF A LIQUID PLASTICIZER HAVING THE FOLLOWING FORMULA:
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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |