Granted Patent
Utility
US 6,031,119 · App. 08/889,514
Polyalkylene guanidine salts or polyalkylene biguanidine salts having a branched silane compound, method for preparing same and uses thereof
Inventors:
Byung-Hyoung Lee, Woo Sun Kim, Young Jun Kim, Sang-Gu Bang, Kwang Min LIM, Sang Rak Choi, Keum-Chan Joo
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Jul 8, 1997
Inventors
Byung-Hyoung Lee
Woo Sun Kim
Young Jun Kim
Sang-Gu Bang
Kwang Min LIM
Sang Rak Choi
Keum-Chan Joo
Assignee (at issue)
Yukong 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.