Granted Patent
Utility
US 6,107,266 · App. 08/939,170
Process for producing coated bleach activator granules
Inventors:
Johannes Himmrich, Georg Borchers
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Oct 7, 1997
Inventors
Johannes Himmrich
Georg Borchers
Assignee (at issue)
Clariant 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.