Granted Patent
Utility
US 5,700,850 · App. 08/463,496
Colorant compositions and colorant stabilizers
Inventors:
Ronald Sinclair Nohr, John Gavin MacDonald
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Jun 5, 1995
Inventors
Ronald Sinclair Nohr
John Gavin MacDonald
Assignee (at issue)
Kimberly-Clark Worldwide, Inc.
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.