Granted Patent
Utility
US 5,437,867 · App. 08/033,819
Solubilizing, thickening and emulsifying cosmetic composition and process for preparation of same
Inventors:
Thomas J. Vichroski, Regina A. Costa, James A. Hayward
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Mar 19, 1993
Inventors
Thomas J. Vichroski
Regina A. Costa
James A. Hayward
Assignee (at issue)
Collaborative Laboratories, 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.