US 7,550,615 B2
Preparation process of diglyceride-rich fat or oil
Eizo Maruyama, Kamisu (Japan); Keiji Shibata, Kamisu (Japan); and Hiroaki Yamaguchi, Kamisu (Japan)
Assigned to Kao Corporation, Tokyo (Japan)
Filed on Nov. 08, 2007, as Appl. No. 11/937,045.
Application 11/937045 is a continuation of application No. 11/313737, filed on Dec. 22, 2005, granted, now 7,375,240.
Claims priority of application No. 2004-374267 (JP), filed on Dec. 24, 2004.
Prior Publication US 2008/0071101 A1, Mar. 20, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. C11B 3/14 (2006.01); C07C 51/43 (2006.01)
U.S. Cl. 554—175  [554/211] 19 Claims
 
1. A process comprising bringing a fat or oil which comprises diglycerides in an amount of 50 mass % or greater and a transition metal, the transition metal content being 5 ppm or less, into contact with steam while forming a thin film of the fat or oil.