Granted Patent
Utility
US 6,514,927 · App. 09/969,463
Detergent and cleaner containing soil release polymer and alkanesulfonate and/or &agr;-olefinsulfonate
Inventors:
Frank-Peter Lang, Gerd Reinhardt
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Oct 2, 2001
Inventors
Frank-Peter Lang
Gerd Reinhardt
Assignee (at issue)
Clariant 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.