Toronto
Canada
5
2011-01-27
The entities that hold a legal rights for patent applications filed by inventor ZHOU Yuehui:
Yuehui ZHOU from Toronto, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Phosphonium salts and methods of their preparation
#2 | 2009-07-02Phosphinic acids and their sulfur derivatives and methods for their preparation
#3 | 2007-06-28Phosphonium salts and their method of preparation
#4 | 2007-02-15Tertiary phosphines and their methods of preparation
#5 | 2006-11-23Phosphonium and imidazolium salts and methods of their preparation
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