Granted Patent
Utility
US 5,549,715 · App. 08/347,146
Method for bleaching textile material
Inventor:
Vinzenz Olip
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Nov 22, 1994
Inventor
Vinzenz Olip
Assignee (at issue)
Degussa Austria GmbH
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.