Patents by Inventor Kenneth Wiener

Kenneth Wiener 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).

  • Cultured stone methods of manufacture
    Patent number: 6056904
    Abstract: An improved, method of making a lightweight synthetic stone product mixing a white powdery mixture comprising approximately 20-90 parts by volume of Al.sub.2 O.sub.3 .multidot.3H.sub.2 O and about 10-80 parts by volume polyolefin, preferably a polyethylene such as LLPE, HDPE and Super Linear PE and polypropylene in a ratio of 30-60% by volume with a clear thermosetting resin in a ratio of about 40-70% by volume and a peroxide catalyst in about 0.1-5.0% by volume, and a pigment, if desired, with the clear thermosetting resin selected from the group of unsaturated polyesters, acrylic-modified polyesters and acrylics.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: May 2, 2000
    Assignee: American Stone Pioneers
    Inventor: Kenneth Wiener
  • Method of brightening siliceous fillers
    Patent number: 5228952
    Abstract: A method for increasing the brightness of siliceous materials and fillers. A siliceous material is contacted with an agent consisting of phosphorous-based acids or salts thereof. The siliceous material and the agents are mixed together and heated at a temperature and for a period of time sufficient to enhance the brightness of the siliceous material.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: July 20, 1993
    Inventor: Kenneth Wiener