Patents by Inventor Jaime Valle

Jaime Valle 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 compositions
    Patent number: 4828624
    Abstract: Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising:______________________________________ Ingredients Percent by Weight ______________________________________ A water-soluble glycol 40-70 Urea as a 50% aqueous solution 60-30 ______________________________________
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: May 9, 1989
    Assignee: Nalco Chemical Company
    Inventor: Jaime Valle