Granted Patent
Utility
US 6,423,304 · App. 09/880,521
Dimerized fatty acid based polyamides useful for clear candle and gel applications
Inventors:
Shailesh Shah, Sobhy El-Hefnawi, Douglas C. Rhubright
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 13, 2001
Inventors
Shailesh Shah
Sobhy El-Hefnawi
Douglas C. Rhubright
Assignee (at issue)
Cognis 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.