Granted Patent
Utility
US 6,150,534 · App. 09/483,564
Synthesis of 4-[5-substituted or unsubstituted phenyl)-3-substituted-1H-pyrazol-1-yl]benzenesulfonamides
Inventors:
Paul O'Shea, Richard D. Tillyer, Xin Wang, Sophie-Dorothee Clas, Chad Dalton
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Jan 14, 2000
Inventors
Paul O'Shea
Richard D. Tillyer
Xin Wang
Sophie-Dorothee Clas
Chad Dalton
Assignee (at issue)
Merck Frosst Canada Ltd.
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.