Granted Patent
Utility
US 4,981,751 · App. 07/498,615
Melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers
Inventors:
Gene P. Daumit, Yoon Seok Ko, Christopher R. Slater, Jozef G. Venner, Chi C. Young
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Mar 26, 1990
Inventors
Gene P. Daumit
Yoon Seok Ko
Christopher R. Slater
Jozef G. Venner
Chi C. Young
Assignee (at issue)
BASF SE
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.