Granted Patent
Utility
US 6,617,394 · App. 09/960,082
Dimer acid derivatives as enhancers
Inventors:
Cynthia L. Smith, Dennis H. Fisher
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Sep 21, 2001
Inventors
Cynthia L. Smith
Dennis H. Fisher
Assignee (at issue)
Ashland, Inc.
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.