Single component, heat curing compositions which are stable when stored at room temperature and which comprise polymers containing anhydride groups and powdered crosslinking agents, and their method of manufacture and use

Granted: Dec 1, 1998 Filed: Apr 10, 1997

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.