Granted Patent
Utility
US 6,083,897 · App. 09/143,177
Solubilization of low 2-phenyl alkylbenzene sulfonates
Inventors:
Ronald G. Lewis, David C. Lewis
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Aug 28, 1998
Inventors
Ronald G. Lewis
David C. Lewis
Assignee (at issue)
HUNTSMAN PETROCHEMICAL LLC
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.