Granted Patent
Utility
US 5,385,773 · App. 08/052,978
Copolyester of cyclohexanenedimethanol and process for producing such polyester
Inventors:
Cheuk C. Yau, Clinton Cherry
Patented Case
View Patent ↗
Granted: Jan 31, 1995
Filed: Apr 27, 1993
Inventors
Cheuk C. Yau
Clinton Cherry
Assignee (at issue)
Eastman Chemical Company
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.