Patents by Inventor Fred Mader

Fred Mader 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).

  • Lubricant containing poly(vinyl chloride) molding composition
    Patent number: 3979347
    Abstract: As lubricants for processing poly(vinyl chloride), there are used polyolefin oxidates having a content of from 20 to 80 weight % of dicarboxylic acids, an acid number of from 30 to 150 and a saponification number of from 40 to 220. Partial esters and salts of the indicated polyolefin oxidates are also appropriate. Shaped articles made from a PVC containing these lubricants have a very high degree of transparence.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: September 7, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Walter Brotz, Fred Mader