Patents Assigned to Virginia Tech Intellectural Properties Inc.
  • 2-debenzoyl-2-acyl taxol derivatives and method for making same
    Patent number: 6002023
    Abstract: The present invention relates to 2-debenzoyl-2-acyl taxol derivatives, analogues thereof and methods for making same.Compounds of the present invention include compounds having the general formula: ##STR1## wherein R.sub.1 is an alkyl or substituted alkyl; R.sub.2 is selected from the group consisting of H and C(O)R.sub.a ; R.sub.3 is selected from the group consisting of H, protecting groups, R.sub.b, and C(O)R.sub.b ; R.sub.4 is selected from the group consisting of H and C(O)R.sub.c, and wherein R.sub.a, R.sub.b, and R.sub.c are independently selected from the group consisting of alkyls, substituted alkyls, alkenyls, alkynyls, aryls, and substituted aryls; provided that R.sub.a is other than phenyl and 3-hydroxyphenyl.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: December 14, 1999
    Assignee: Virginia Tech Intellectural Properties, Inc.
    Inventors: David G. I. Kingston, Ashok Gopal Chaudhary, Milind Moreshwar Gharpure, John Matthew Rimoldi, A.A. Leslie Gunatilaka
  • Polyalkylvinyl ether/polyalkyloxazoline copolymers, processes for making, and uses
    Patent number: 5098954
    Abstract: Graft and block copolymers of polyalkylvinyl ether and polyoxazoline moieties can be used as polymeric compatibilizers.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: March 24, 1992
    Assignee: Virginia Tech Intellectural Properties Inc.
    Inventors: Judy S. Riffle, Gurudus D. Sinai-Zingde