Granted Patent
Utility
US 4,407,882 · App. 06/282,573
Printing ink compositions and use thereof for the production of textured foamed resin materials
Inventors:
Hanspeter Hauser, Peter Eckert
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jul 13, 1981
Inventors
Hanspeter Hauser
Peter Eckert
Assignee (at issue)
Ciba-Geigy
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.