Granted Patent
Utility
US 4,968,460 · App. 06/837,342
Ceramics
Inventors:
Ronald J. Thompson, Nur R. Gurak, Peter L. Josty, Valentino G. Xanthopoulo, James P. Russell
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Mar 7, 1986
Inventors
Ronald J. Thompson
Nur R. Gurak
Peter L. Josty
Valentino G. Xanthopoulo
James P. Russell
Assignee (at issue)
BASF SE
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.