Granted Patent
Utility
US 6,794,513 · App. 10/793,154
Preparation of 3,6-dichloro-2-trichloromethylpyridine by vapor phase chlorination of 6-chloro-2-trichloromethylpyridine
Inventors:
Dana Alan Livingston, Hawk S. Wan, Kenneth Michael Larson, Brian J. Schoeman
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Mar 4, 2004
Inventors
Dana Alan Livingston
Hawk S. Wan
Kenneth Michael Larson
Brian J. Schoeman
Assignee (at issue)
DOW AGROSCIENCES LLC
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.