Patents by Inventor Philippe Borrel

Philippe Borrel 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).

  • Patent number: 4080217
    Abstract: Certain alumino-calcium compounds are added to hydraulic binders, as water reducing agents for enhancing the workability of such binders while at the same time reducing the requisite quantities of water needed therefor.
    Type: Grant
    Filed: March 9, 1976
    Date of Patent: March 21, 1978
    Assignee: Rhone-Poulenc Industries
    Inventors: Pierre Falcoz, Philippe Borrel