Patents by Inventor Abu Bakar Salleh

Abu Bakar Salleh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for producing wax ester from dihydroxy fatty acid
    Patent number: 7125694
    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.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: October 24, 2006
    Assignees: Malaysian Palm Oil Board, Universiti Putra Malaysia
    Inventors: Roila Awang, Salmiah Ahmad, Mahiran Basri, Abu Bakar Salleh
  • Enantioselective immobilized lipase
    Publication number: 20050196850
    Abstract: Immobilization of Candida rugosa lipase on a carrier selected from the group consisting of macroporous adsorbent resin of the acrylic type, synthetic epoxy activated resin and Mg—Al-hydrotalcite enhances its enantioselectivity by six to seven folds. The immobilized Candida rugosa lipase is suitable for use in resolution of racemic alcohols and/or carboxylic acids, particularly in resolution of racemic menthol or production of menthyl esters.
    Type: Application
    Filed: February 16, 2005
    Publication date: September 8, 2005
    Applicant: Universiti Putra Malaysia
    Inventors: Siti Othman, Mahiran Basri, Halila Jasmani, Mohd. Hussein, Mohd. Abd.Rahman, Abu Bakar Salleh, Raja Abd. Rahman