Patents by Inventor Bayhass El-Jazairi

Bayhass El-Jazairi 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).

  • Cement grinding aid
    Patent number: 6005057
    Abstract: A cement clinker grinding aid which comprises a styrene-maleic anhydride copolymer (SMA) superplasticiser. The SMA is preferably a type with polyoxyalkylene-based side chains. Use of the grinding aid renders the grinding process more efficient and improves the performance of cementitous compositions in which the cement thus ground is used.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: December 21, 1999
    Assignee: MBT Holding AG
    Inventor: Bayhass El-Jazairi