Granted Patent
Utility
US 4,518,649 · App. 06/609,259
Soil releasing textiles containing fluorochemical soil release agents and method for producing same
Inventors:
Robert C. Wang, Arthur J. Sampson, Mark M. Persinko
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: May 11, 1984
Inventors
Robert C. Wang
Arthur J. Sampson
Mark M. Persinko
Assignee (at issue)
Chicopee
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.