Patents by Inventor Robert Granjon

Robert Granjon 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).

  • Solid bisphenol F particulates
    Patent number: 4338470
    Abstract: Solid, bisphenol F particulates are prepared by first dispersing droplets of bisphenol F in a chemically inert liquid medium having a boiling point in excess of 70.degree. C. and having a temperature of at least 70.degree. but less than the boiling point thereof, said liquid medium being maintained in a state of dispersing agitation, and then cooling the dispersion which results, while continuing to maintain said state of agitation, to a temperature such as to solidify the dispersed droplets of said bisphenol F into solid particles.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: July 6, 1982
    Assignee: Rhone-Poulenc Industries
    Inventors: Robert Granjon, Michel Fournier