Granted Patent
Utility
US 6,100,231 · App. 09/044,552
Biphenyl based solvents in blooming type hard surface cleaners
Inventors:
Tak Wai Cheung, Dennis Thomas Smialowicz
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Mar 19, 1998
Inventors
Tak Wai Cheung
Dennis Thomas Smialowicz
Assignee (at issue)
Reckitt & Colman 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.