Patents by Inventor Chih-Ta Kao

Chih-Ta Kao 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).

  • Method of Inhibiting the Growth of Algae
    Publication number: 20090280984
    Abstract: To inhibit the growth of algae, glucosamine and chitosan are added into water needed to be treated wherein the concentration of glucosamine and chitosan in the treated water is in a ratio from 1:9 to 9:1.
    Type: Application
    Filed: May 6, 2008
    Publication date: November 12, 2009
    Applicant: ITEQ CORPORATION
    Inventor: Chih-Ta Kao
  • Method of inhibition the growth of algae
    Patent number: 7612049
    Abstract: The inhibition of Chlorophyta growth in water needed to be treated can be accomplished by the addition of about 100 ppm glucosamine. The inhibition of Microcystic aeruginosa and Microcystis flos-aquae growth in water needed to be treated can be accomplished by the addition of about 10 to 50 ppm glucosamine. The addition of glucosamine to water needed to be treated, such as reservoirs, offers an environmentally safe method for inhibiting algae growth.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: November 3, 2009
    Assignee: ITEQ Corporation
    Inventor: Chih-Ta Kao
  • Method of Inhibition the Growth of Algae
    Publication number: 20090124575
    Abstract: To inhibit the growth of algae, glucosamine is added into water needed to be treated.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 14, 2009
    Applicant: ITEQ CORPORATION
    Inventor: Chih-Ta Kao