Granted Patent
Utility
US 6,677,427 · App. 09/592,730
Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same
Inventors:
Huai N. Cheng, Qu-Ming Gu, William W. Maslanka
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jun 13, 2000
Inventors
Huai N. Cheng
Qu-Ming Gu
William W. Maslanka
Assignee (at issue)
HERCULES 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.