Granted Patent
Utility
US 4,514,383 · App. 06/375,072
Sunscreen compositions containing vinylogous amides
Inventors:
William V. Murray, Charles E. Clum, Elvin R. Lukenbach
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: May 5, 1982
Inventors
William V. Murray
Charles E. Clum
Elvin R. Lukenbach
Assignee (at issue)
Johnson & Johnson Baby Products Company
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.