Granted Patent
Utility
US 6,528,139 · App. 09/252,853
Process for producing yarn having reduced heatset shrinkage
Inventors:
Matthew B. Hoyt, Wendel L. Burton, James R. Bristow
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Sep 8, 1998
Inventors
Matthew B. Hoyt
Wendel L. Burton
James R. Bristow
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.