Granted Patent
Utility
US 5,096,949 · App. 07/510,308
N,N-disubstituted, .alpha.-(3,5-dialkyl-4-hydroxyphenyl)-.alpha.,.alpha.-disubstituted acetamides and composition stabilized therewith
Inventors:
John T. Lai, Pyong-Nae Son
Patented Case
View Patent ↗
Granted: Mar 17, 1992
Filed: Apr 17, 1990
Inventors
John T. Lai
Pyong-Nae Son
Assignee (at issue)
B. F. Goodrich 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.