Hydrogenation of linoleic acid containing oils

• US 3,278,568 A
• Filed: 07/23/1963
• Issued: 10/11/1966
• Est. Priority Date: 07/26/1962
• Status: Expired due to Term

• Current Assignee: De Jonge Albert, Emile Coenen Jacob Willem, Hans Ruiter Lukas
• Original Assignee: De Jonge Albert, Emile Coenen Jacob Willem, Hans Ruiter Lukas
• Inventors: DE JONGE ALBERT, HANS RUITER LUKAS, EMILE COENEN JACOB WILLEM
• Application Number:
  US04/296,946
• Time in Patent Office: 1,176 Days
• US Class Current: 426/313
• CPC Class Codes: A23D 7/001 Spread compositions characterised by ingredients other than fatty acid triglycerides A23D7/0056
• CPC Class Codes: A23D 7/003 Compositions other than spreads characterised by ingredients other than fatty acid triglycerides A23D7/0053
• CPC Class Codes: A23D 9/00 Other edible oils or fats, e.g. shortenings, cooking oils
• CPC Class Codes: B01J 23/72 Copper
• CPC Class Codes: C11C 3/126 using catalysts based principally on other metals or derivates

Claims

1. 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.