Granted Patent
Utility
US 5,879,855 · App. 08/341,721
Compositions for making structured color images and application thereof
Inventors:
Ulrich Schadeli, John S. Zambounis, Abul Iqbal, Zhimin Hao
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Nov 18, 1994
Inventors
Ulrich Schadeli
John S. Zambounis
Abul Iqbal
Zhimin Hao
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.