Patents by Inventor Jeffrey T. Vanderlip

Jeffrey T. Vanderlip 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: 5149863
    Abstract: Cyanate esters of 4,4'-[1,3-phenylenebis(1-methylethylidene)] 2,2',6,6'-R-bisphenol when properly catalyzed, can be cured at temperatures in the range of about 250.degree. to about 300.degree. F. to obtain percent cyclotrimerization of the cyanate ester groups of at least 80 percent.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: September 22, 1992
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: David A. Shimp, Jeffrey T. Vanderlip
  • Patent number: 5068309
    Abstract: Cyanate esters of 4,4'-[1,3-phenylenebis (1-methylethylidene)] 2,2',6,6'-R-bisphenol when properly catalyzed, can be cured at temperatures in the range of about 250.degree. to about 300.degree. F. to obtain percent cyclotrimerization of the cyanate ester groups of at least 80 percent.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: November 26, 1991
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: David A. Shimp, Jeffrey T. Vanderlip