Granted Patent
Utility
US 5,451,238 · App. 08/242,573
Dye-leveling and cleaning composition containing an aqueous organic sulfonate plus an alcohol alkoxylate diluent
Inventors:
Murray A. Ruggiero, Robert Paul Roth, Joseph T. Farrell, A. R. Vanover
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: May 13, 1994
Inventors
Murray A. Ruggiero
Robert Paul Roth
Joseph T. Farrell
A. R. Vanover
Assignee (at issue)
Olin Corporation
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.