US2978468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization, condensation and refining of fatty acids
Assignee: Akzo Nobel Paints LLC
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Filing: 1957-09-23
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Granted: 1961-04-04
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Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Burt L Hampton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/62; C08F20/64
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
A PROCESS FOR TREATING A MIXTURE OF UNSATURATED FATTY ACIDS RICH IN OLEIC AND LINOLEIC ACIDS WHICH ESSENTIALLY COMPRISES HEATING AND MIXTURE AT A TEMPERATURE OF FROM ABOUT 110* TO ABOUT 240*C. WITH A CATALYTIC QUANTITY OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, ZINC BROMIDE AND MIXTURES THEREOF IN ADMIXTURE WITH A CATALYTIC QUANTITY OF AN ACID CATALYST SELECTED FROM THE GROUP CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE, RECOVERING FROM SAID TREATMENT A POLYMERIZED PRODUCT, SAID POLYMERIZED PRODUCT INCLUDING THE PRODUCT FORMED BY THE REACTION OF A CARBOXYLIC ACID GROUP OF A FATTY ACID MOLECULE WITH A DOUBLE BOND OF ANOTHER FATTY ACID.
Claim 2
Dependent Claim
108 words
A PROCESS FOR TREATING A MIXTURE OF UNSATURATED FATTY ACIDS RICH IN OLEIC AND LINOLEIC ACIDS WHICH ESSENTIALLY COMPRISES HEATING AND MIXTURE AT A TEMPERATURE OF FROM ABOUT 110* TO ABOUT 240*C. WITH A CATALYTIC QUANTITY OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, ZINC BROMIDE AND MIXTURES THEREOF IN ADMIXTURE WITH A CATALYTIC QUANTITY OF AN ACID CATALYST SELECTED FROM THE GROUP CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE, RECOVERING FROM SAID TREATMENT A POLYMERIZED PRODUCT, SAID POLYMERIZED PRODUCT INCLUDING THE PRODUCT FORMED BY THE REACTION OF A CARBOXYLIC ACID GROUP OF A FATTY ACID MOLECULE WITH A DOUBLE BOND OF ANOTHER FATTY ACID.
Claim 3
Dependent Claim
100 words
AN ADDITION ESTER OF AN UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF OLEIC AND LINOLEIC ACIDS WITH AN UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF OLEIC AND LINOLEIC ACIDS, SAID ESTERS HAVING BEEN PREPARED BY HEATING A MIXTURE OF UNSATURATED FATTY ACIDS RICH IN OLEIC AND LINOLEIC ACIDS AT A TEMPERATURE OF FROM ABOUT 110* TO 240*C. WITH A CATALYIC QUANTITY OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, ZINC BROMIDE AND MIXTURES THEREOF IN ADMIXTURE WITH A CATALYTIC QUANTITY OF AN ACID CATALYST SELECTED FROM THE GROUP CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE.
Claim 4
Dependent Claim
100 words
AN ADDITION ESTER OF AN UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF OLEIC AND LINOLEIC ACIDS WITH AN UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF OLEIC AND LINOLEIC ACIDS, SAID ESTERS HAVING BEEN PREPARED BY HEATING A MIXTURE OF UNSATURATED FATTY ACIDS RICH IN OLEIC AND LINOLEIC ACIDS AT A TEMPERATURE OF FROM ABOUT 110* TO 240*C. WITH A CATALYIC QUANTITY OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, ZINC BROMIDE AND MIXTURES THEREOF IN ADMIXTURE WITH A CATALYTIC QUANTITY OF AN ACID CATALYST SELECTED FROM THE GROUP CONSISTING OF HYDROGEN CHLORIDE AND HYDROGEN BROMIDE.
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |