Granted Patent
Utility
US 6,241,788 · App. 09/441,662
Method of stabilizing dye solutions and stabilized dye compositions
Inventors:
Kristin Buentello, Larry M. Kye, Elizabeth Zhang, Victoria Rafalovsky, Alan M. Agree
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Nov 16, 1999
Inventors
Kristin Buentello
Larry M. Kye
Elizabeth Zhang
Victoria Rafalovsky
Alan M. Agree
Assignee (at issue)
Betzdearborn, 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.