US2871135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing drying oils and the oil so produced
Assignee: RICHARD NILSSON AB
•
Filing: 1956-08-06
•
Granted: 1959-01-27
•
Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Weiss Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:45
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A DRYING OIL COMPRISING A MIXTURE OF GLYCERIDE OF A HIGHER FATTY ACID AND A SYNTHETIC OIL OBTAINED BY CONDENSING TWO MOLES OF A FATTY ACID SELECTED FROM THE GROUP CONSISTING OF UNSATURATED HIGHER FATTY ACIDS AND MIXTURES OF UNSATURATED HIGHER FATTY ACIDS WITH SATURATED HIGHER FATTY ACIDS WITH ONE MOLE OF AN ALUMINUM COMPOUND PREPARED BY REACTING ONE MOLE OF ALUMINUM ALCOHOLATE AND ONE MOLE OF AN ENOLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACETOACETIC ETER, MALONIC DIETHYL ESTER AND ACETONYL ACETONE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |