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:
Jul. 14, 2009
Filed:
Oct. 28, 2004
Salmiah Ahmad, Kajang, MY;
Soi Seng Hoong, Kajang, MY;
Mohd Norhisham Sattar, Kajang, MY;
Yusrabbil Amiyati Yusof, Kajang, MY;
Hazimah Abu Hassan, Kajang, MY;
Roila Awang, Kajang, MY;
Salmiah Ahmad, Kajang, MY;
Soi Seng Hoong, Kajang, MY;
Mohd Norhisham Sattar, Kajang, MY;
Yusrabbil Amiyati Yusof, Kajang, MY;
Hazimah Abu Hassan, Kajang, MY;
Roila Awang, Kajang, MY;
Malaysian Palm Oil Board, , MY;
Abstract
The present invention relates to an improved process for producing hydroxy fatty acids preferably dihydroxy or polyhydroxy acids from unsaturated fatty acids derived from natural oils and fats. The unsaturated fatty acids extracted from natural vegetable oils or animal fats preferably palm-based oleic acid is hydroxylated or oxidized by peracetic acid which formed in situ from a mixture of hydrogen peroxide and formic acid. The process for producing dihydroxy or polyhydroxy fatty acids according to the present invention involve less cost, easier to perform and reduced reaction time. In addition, the dihydroxy or polyhydroxy acids produced according to the present invention is non irritant and suitable to be used in production of cosmetic products.