Granted Patent
Utility
US 6,569,829 · App. 09/868,700
Process for producing long chain N-acyl acidic amino acid
Inventors:
Yukio Yamawaki, Shinichi Yamamoto, Yoshinaga Tamura
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Sep 24, 2001
Inventors
Yukio Yamawaki
Shinichi Yamamoto
Yoshinaga Tamura
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.