Patents by Inventor Haisan Al Rifai

Haisan Al Rifai 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).

  • Binder adjuvant used in construction and material comprising it
    Patent number: 6261355
    Abstract: A binder adjuvant used in engineering includes in aqueous solution, a mixture of a water-soluble cellulose ether and of an antifoaming agent.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: July 17, 2001
    Assignees: Abdelmalek Louhibi
    Inventors: Nizar Al Kassem, Haisan Al Rifai