Granted Patent
Utility
US 5,101,008 · App. 07/650,368
Producing a copolyester from two lower dialkyl esters of dicarboxylic acid and a glycol
Inventors:
Anthony W. Cooke, Monika E. Bader
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Feb 4, 1991
Inventors
Anthony W. Cooke
Monika E. Bader
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.