Granted Patent
Utility
US 5,922,462 · App. 09/008,843
Multiple domain fibers having surface roughened or mechanically modified inter-domain boundary and methods of making the same
Inventors:
Diane R. Kent, Matthew B. Hoyt, Charles F. Helms, Jr.
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Jan 20, 1998
Inventors
Diane R. Kent
Matthew B. Hoyt
Charles F. Helms, Jr.
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.