Granted Patent
Utility
US 6,447,563 · App. 09/425,358
Chemical mechanical polishing slurry system having an activator solution
Inventor:
Deepak Mahulikar
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Oct 22, 1999
Inventor
Deepak Mahulikar
Assignee (at issue)
Arch Specialty Chemicals, 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.