Granted Patent
Utility
US 5,589,111 · App. 08/439,142
Polyimide precursor composition for extrusion molding of polyimide, process for preparing it, and process for preparing molded articles of polyimide
Inventors:
Hiroshi Haruta, Takehiko Takahashi
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: May 11, 1995
Inventors
Hiroshi Haruta
Takehiko Takahashi
Assignee (at issue)
Chisso 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.