Patents by Inventor Oscar M. Bathe

Oscar M. Bathe 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).

  • Process for producing polymeric plasticizers from polyethylene terephthalate
    Patent number: 5068395
    Abstract: A process is disclosed for preparing polymeric plasticizers from polyethylene terephthalate which comprises reacting a trimellitic acid polyester ether with polyethylene terephthalate to prepare a nonlinear copolymer with hydroxyl functionality which is then reacted with a fatty acid of from 12 to 18 carbon atoms. The resulting composition has excellent properties as a polymeric plasticizer for polyvinylchloride resin.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: November 26, 1991
    Assignee: Amoco Corporation
    Inventor: Oscar M. Bathe
  • Process for producing adhesives from polyethylene terephthalate
    Patent number: 5008366
    Abstract: A process is disclosed for preparing adhesives from polyethylene terephthalate which comprises reacting a trimellitic acid polyester ether with polyethylene terephthalate to prepare a nonlinear copolymer with crosslinking characteristics suitable for use as an adhesive either as a hot-melt adhesive or as a pressure-sensitive adhesive.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: April 16, 1991
    Assignee: Amoco Corporation
    Inventor: Oscar M. Bathe