Granted Patent
Utility
US 6,555,607 · App. 09/786,245
Water-soluble resin composition
Inventors:
Takashi Kanda, Hatsuyuki Tanaka
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Feb 28, 2001
Inventors
Takashi Kanda
Hatsuyuki Tanaka
Assignee (at issue)
Clariant Finance (BVI) Limited
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.