Granted Patent
Utility
US 5,486,574 · App. 08/336,632
Dissimilar arm asymmetric radical or star block copolymers for adhesives and sealants
Inventors:
Glenn R. Himes, Bridget A. Spence, Ronald J. Hoxmeier, Steven S. Chin
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Nov 9, 1994
Inventors
Glenn R. Himes
Bridget A. Spence
Ronald J. Hoxmeier
Steven S. Chin
Assignee (at issue)
SHELL OIL COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.