Patents by Inventor Robert Cornelis Groot

Robert Cornelis Groot 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).

  • Codeposition of a metal and fluorocarbon resin particles
    Patent number: 4098654
    Abstract: Polyfluorocarbon resin particles and metals are codeposition from electroplating baths to form coating layers of a very homogeneous structure, when said positively charged resin particles having a particle size of less than about 10 .mu.m are kept dispersed in said baths in the presence of both a cationic and a nonionic fluorocarbon surfactant in a molar ratio between 25:1 and 1:3.5 and in a total amount of at least 3 .times. 10.sup.-3 millimoles per m2 of surface area of said particles.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: July 4, 1978
    Assignee: Akzo N.V.
    Inventors: Kees Helle, Robert Cornelis Groot, Andries Kamp