US3278568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of linoleic acid containing oils
Assignee: Lever Brothers Co
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Filing: 1963-07-23
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Granted: 1966-10-11
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jonge Albert De
- 👤 Ruiter Lukas Hans
- 👤 Coenen Jacob Willem Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:07
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C11C3/126; A; A23; A23D; A23D7/00; A23D7/001; A23D7/003; A23D9/00; B; B01; B01J; B01J23/00; B01J23/70; B01J23/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR CATALYTICALLY SELECTIVELY HYDROGENATING OILS CONTAINING LINOELIC ACID IN ADDITION TO MORE HIGHLY UNSATURATED FATTY ACIDS, SO AS TO OBTAIN IMPROVED KEEPING PROPERTIES, WHICH COMPRISES HYDROGENATING THE OIL AT A TEMPERATURE OF 150 TO 225*C. IN THE PRESENCE OF A HYDROGENATION CATALYST COMPOSED ESSENTIALLY OF COPPER PERSENT IN THE FORM OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF COPER AND COPPER COMPOUNDS UNTIL THE CONTENT OF THE MORE HIGHLY UNSATURATED FATTY ACIDS HAS BEEN DIMIISHED, WHILE RETAINING AT LEAST 40% OF THE ORIGINAL CONTENT OF LINOLEIC ACID, AFTER WHICH THE HYDROGENATED OIL IS SUBSTANTIALLY FREED FROM TRACES OF COPPER.
Claim 2
Dependent Claim
102 words
A PROCESS FOR CATALYTICALLY SELECTIVELY HYDROGENATING OILS CONTAINING LINOELIC ACID IN ADDITION TO MORE HIGHLY UNSATURATED FATTY ACIDS, SO AS TO OBTAIN IMPROVED KEEPING PROPERTIES, WHICH COMPRISES HYDROGENATING THE OIL AT A TEMPERATURE OF 150 TO 225*C. IN THE PRESENCE OF A HYDROGENATION CATALYST COMPOSED ESSENTIALLY OF COPPER PERSENT IN THE FORM OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF COPER AND COPPER COMPOUNDS UNTIL THE CONTENT OF THE MORE HIGHLY UNSATURATED FATTY ACIDS HAS BEEN DIMIISHED, WHILE RETAINING AT LEAST 40% OF THE ORIGINAL CONTENT OF LINOLEIC ACID, AFTER WHICH THE HYDROGENATED OIL IS SUBSTANTIALLY FREED FROM TRACES OF COPPER.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |