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:
Oct. 24, 2006
Filed:
Oct. 28, 2004
Roila Awang, Kajang, MY;
Salmiah Ahmad, Bandar Baru Bangi, MY;
Mahiran Basri, Serdang, MY;
Abu Bakar Salleh, Serdang, MY;
Roila Awang, Kajang, MY;
Salmiah Ahmad, Bandar Baru Bangi, MY;
Mahiran Basri, Serdang, MY;
Abu Bakar Salleh, Serdang, MY;
Malaysian Palm Oil Board, Selangor Darul Ehsan, MY;
Universiti Putra Malaysia, Selangor Darul Ehsan, MY;
Abstract
A process for producing wax ester comprising of esterifying dihydroxy fatty acid preferably dihydroxystearic acid with at least one alcohol in the presence of lipase as a catalyst which is then remove by filtration. The filtered catalyst could be reuse and provides a number of cost advantages. In the preferred embodiment of the present invention, the dihydroxystearic acid is derived from palm based oleic acid and the alcohol contains 8 to 18 carbon atoms per molecules.