Patent US4382806A successfully refreshed from Google Patents.
Patent US855039A successfully refreshed from Google Patents.
Patent US2835685A successfully refreshed from Google Patents.
US2835685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal triacylates of unsaturated higher molecular monocarboxylic acids
Assignee: J W Ayers & Co
•
Filing: 1955-03-17
•
Granted: 1958-05-20
•
Expires: 1975-03-17
Abstract
No abstract record available.
Inventors
- 👤 Rinse Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:53
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/10; C07; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR THE PRODUCTION OF SUBSTANTIALLY PURE ALUMINUM TRIACYLATES OF UNSATURATED HIGHER MOLECULAR MONOCARBOXYLIC ACIDS COMPRISING, MIXING AND REACTING AN ALUMINUM R-OXIDE OF A HYDROXY HYDROCARBON VAPORIZABLE AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF THE TRIACYLATE BEING FORMED WITH A MONOBASIC HIGHER MOLECULAR UNSATURATED CARBOXYLIC ACID IN A MOL RATIO OF APPROXIMATELY 1:3 IN A REACTION MASS CONTAINING AT LEAST 3 MOLS OF SAID ACID PER MOL OF SAID OXIDE DURING SUBSTANTIALLY THE WHOLE OF THE REACTION PERIOD, EFFECTING SAID REACTION BY HEATING AT ELEVATED TEMPERATURES WHICH CAUSE VAPORIZING OFF FROM THE REACTING MASS THE HYDROXY HYDROCARBON BEING LIBERATED BY THE REACTION, CONTINUING THE HEATING AN VAPORIZATION AT GRADUALLY INCREASING TEMPERATURES UNTIL ABOUT THREE MOLECULES OF LIBERATED HYDROXY HYDROCARBON AND AS WELL ANY SOLVENT PRESENT HAVE BEEN REMOVED, WHEREBY AN ALUMINUM TRIACYLATE IS OBTAINED IN A FORM SUBSTANTIALLY FREE OF SIDE REACTION PRODUCT.
Claim 2
Dependent Claim
145 words
A PROCESS FOR THE PRODUCTION OF SUBSTANTIALLY PURE ALUMINUM TRIACYLATES OF UNSATURATED HIGHER MOLECULAR MONOCARBOXYLIC ACIDS COMPRISING, MIXING AND REACTING AN ALUMINUM R-OXIDE OF A HYDROXY HYDROCARBON VAPORIZABLE AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF THE TRIACYLATE BEING FORMED WITH A MONOBASIC HIGHER MOLECULAR UNSATURATED CARBOXYLIC ACID IN A MOL RATIO OF APPROXIMATELY 1:3 IN A REACTION MASS CONTAINING AT LEAST 3 MOLS OF SAID ACID PER MOL OF SAID OXIDE DURING SUBSTANTIALLY THE WHOLE OF THE REACTION PERIOD, EFFECTING SAID REACTION BY HEATING AT ELEVATED TEMPERATURES WHICH CAUSE VAPORIZING OFF FROM THE REACTING MASS THE HYDROXY HYDROCARBON BEING LIBERATED BY THE REACTION, CONTINUING THE HEATING AN VAPORIZATION AT GRADUALLY INCREASING TEMPERATURES UNTIL ABOUT THREE MOLECULES OF LIBERATED HYDROXY HYDROCARBON AND AS WELL ANY SOLVENT PRESENT HAVE BEEN REMOVED, WHEREBY AN ALUMINUM TRIACYLATE IS OBTAINED IN A FORM SUBSTANTIALLY FREE OF SIDE REACTION PRODUCT.
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |