Granted Patent
Utility
US 5,936,129 · App. 09/010,953
Process for making sterically-hindered .beta.-diketones
Inventors:
Kevin Martin, Phillip L. Mattison, Michael J. Virnig
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Jan 22, 1998
Inventors
Kevin Martin
Phillip L. Mattison
Michael J. Virnig
Assignee (at issue)
Henkel 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.