Fire retardant compositions comprising dispersion of fire retardant in isocyanate-reactive compound with fatty acid ester and/or amide as dispersing agent

Granted: Jun 23, 1992 Filed: Jun 19, 1991

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.