Granted Patent
Utility
US 5,204,443 · App. 07/687,801
Melt processable poly(ester-amide) capable of forming an anisotropic melt containing an aromatic moiety capable of forming an amide linkage
Inventors:
Cherylyn Lee, Larry F. Charbonneau
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Apr 19, 1991
Inventors
Cherylyn Lee
Larry F. Charbonneau
Assignee (at issue)
Hoechst Celanese 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.