Granted Patent
Utility
US 4,239,665 · App. 06/043,759
Novolak resins containing lactose and/or galactose
Inventors:
Alan C. Richards, Riaz Khan
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: May 30, 1979
Inventors
Alan C. Richards
Riaz Khan
Assignee (at issue)
Talres Development (N.A.) N.V.
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.