Granted Patent
Utility
US 5,856,583 · App. 08/861,135
Synthesis of 2-hydroxyarylaldehydes
Inventors:
Jeffrey Howard Dimmit, Mark Kearns, William H. Chambless
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: May 21, 1997
Inventors
Jeffrey Howard Dimmit
Mark Kearns
William H. Chambless
Assignee (at issue)
Allco Chemical Corp.
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.