The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 2013
Filed:
Oct. 10, 2008
Kazuhiko Hata, Tokyo, JP;
Akito Yamabe, Tokyo, JP;
Tsuyoshi Koriyama, Tokyo, JP;
Nippon Suisan Kaisha, Ltd., , JP;
Abstract
An object of the present invention is to provide a more simplified and more efficient process for producing a highly purified orange roughy oil having high storage stability. The present invention provides a process for producing a highly purified orange roughy oil substantially free of a polyunsaturated fatty acid ester having 4 to 6 double bonds, and having a saponification value of 98 to 113 and an iodine value of 73 to 89, comprising washing with an alkaline aqueous solution to remove a free fatty acid; hydrogenating with a catalyst to reduce a polyunsaturated fatty acid ester; and purifying by treatment with an adsorbent.