Patents by Inventor Alan H. Deitch

Alan H. Deitch 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: 5177133
    Abstract: An improved, stable rosin ester tackifier consisting essentially of an adduct of rosin and a polyhydric alcohol selected from the group consisting of trimethylolpropane, trimethylolethane, and mixtures thereof, and hot melt adhesive compositions consisting essentially of said tackifier and a polymer component, said compositions containing a mixture of antioxidants containing a higher alkyl diester of thiopropionic acid, a hindered phenolic compound and a phenol sulfide compound, preferably an alkyl phenol disulfide oligomer.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: January 5, 1993
    Assignee: Georgia-Pacific Resins, Inc.
    Inventors: Michael C. Peck, Alan H. Deitch, Susan L. Whitfield