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Patent US2754307A successfully refreshed from Google Patents.
US2754307A
Expired / Lapsed
US
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Drying oils
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-09-24
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Granted: 1956-07-10
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Expires: 1972-09-24
Abstract
No abstract record available.
Inventors
- 👤 August R Hempel
- 👤 Paul E Marling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:39
CPC Classifications
C; C09; C09F; C09F5/00; C09F5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A DRYING OIL COMPRISING THE PENTAERYTHRITOL ESTER OF AN ADDUCT OF FUMARIC ACID AND A NON-CONJUGATED, UNSATURATED, NON-HYDROXYLATED FATTY OIL HAVING FROM 10 TO 24 CARBON ATOMS IN THE CARBON CHAINS OF THE FATTY ACIDS OF THE OIL, SAID ADDUCT BEING OBTAINABLE BY HEATING THE FATTY OIL WITH FROM 3 PER CENT TO LESS THAN 10 PER CENT BY WEIGHT OF FUMARIC ACID.
Claim 2
Dependent Claim
63 words
A DRYING OIL COMPRISING THE PENTAERYTHRITOL ESTER OF AN ADDUCT OF FUMARIC ACID AND A NON-CONJUGATED, UNSATURATED, NON-HYDROXYLATED FATTY OIL HAVING FROM 10 TO 24 CARBON ATOMS IN THE CARBON CHAINS OF THE FATTY ACIDS OF THE OIL, SAID ADDUCT BEING OBTAINABLE BY HEATING THE FATTY OIL WITH FROM 3 PER CENT TO LESS THAN 10 PER CENT BY WEIGHT OF FUMARIC ACID.
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) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |