Granted Patent
Utility
US 4,738,682 · App. 06/914,269
Clarification agent for colored cellulose fabrics and method for treatment of such fabrics
Inventors:
Kirsten Boegh, Soren Jepsen
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Oct 2, 1986
Inventors
Kirsten Boegh
Soren Jepsen
Assignee (at issue)
Novo Industri A/S
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.