Granted Patent
Utility
US 5,532,401 · App. 08/375,557
Process for production of tris(nonylphenyl) phosphite
Inventors:
Donald Stevenson, Daniel Lawrence Clark, John C. Debevec, Charles N. Slater, Carroll W. Larke
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jan 19, 1995
Inventors
Donald Stevenson
Daniel Lawrence Clark
John C. Debevec
Charles N. Slater
Carroll W. Larke
Assignee (at issue)
Dover Chemical Corporation
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.