Granted Patent
Utility
US 5,490,903 · App. 08/399,278
Creping chemical composition and method of use
Inventors:
Franklin M. C. Chen, Frank Gerald Druecke
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Mar 6, 1995
Inventors
Franklin M. C. Chen
Frank Gerald Druecke
Assignee (at issue)
Kimberly-Clark Inc.
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.