Granted Patent
Utility
US 6,506,282 · App. 09/775,919
Steam explosion treatment with addition of chemicals
Inventors:
Sheng-Hsin Hu, Tong Sun
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Feb 2, 2001
Inventors
Sheng-Hsin Hu
Tong Sun
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.