Granted Patent
Utility
US 5,086,149 · App. 07/377,087
Low energy cured composite repair system based on epoxy resin with imidazole blocked naphthyl diisocyanate catalyst having extended shelf life
Inventors:
Kenneth S. Baron, Susan M. Brinkerhoff, Frank Wen-Chi Lee, Stella M. McKinney
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jul 7, 1989
Inventors
Kenneth S. Baron
Susan M. Brinkerhoff
Frank Wen-Chi Lee
Stella M. McKinney
Assignee (at issue)
Hexcel 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.