US2920056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticizer from polymethylol alkanes and 3-alkyl alkanoic acids and polymeric compositions containing same
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-06-06
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Granted: 1960-01-05
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Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 Fred W Banes
- 👤 Kirshenbaum Isidor
- 👤 Jeffrey H Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:59
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PLASTIZER FOR SYNTHETIC RESINS COMPRISING THE ESTER OF A 3-ALKYL ALKANOIC ACID HAVING A TOTAL OF 6 TO 9 CARBON ATOMS AND A POLYMETHYLOL ALKANE SELECTED FROM THE GROUP CONSISTING OF DI-, TRI-, AND TETRAMETHYLOL ALKANES HAVING A TOTAL OF 5 TO 11 CARBON ATOMS AND WHEREIN THE METHYLOL GROUPS ARE ATTACHED TO THE SAME NEOPENTYL CARBON ATOM.
Claim 2
Dependent Claim
59 words
A PLASTIZER FOR SYNTHETIC RESINS COMPRISING THE ESTER OF A 3-ALKYL ALKANOIC ACID HAVING A TOTAL OF 6 TO 9 CARBON ATOMS AND A POLYMETHYLOL ALKANE SELECTED FROM THE GROUP CONSISTING OF DI-, TRI-, AND TETRAMETHYLOL ALKANES HAVING A TOTAL OF 5 TO 11 CARBON ATOMS AND WHEREIN THE METHYLOL GROUPS ARE ATTACHED TO THE SAME NEOPENTYL CARBON ATOM.
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) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |