Granted Patent
Utility
US 5,118,439 · App. 07/597,296
Process for preparing a detergent slurry and particulate detergent composition
Inventors:
Allen D. Urfer, Gail M. Howell
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Oct 12, 1990
Inventors
Allen D. Urfer
Gail M. Howell
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.