Production of composite sandwich structures

Production of smooth supporting surfaces for data bearing films

Production process for ring shaped resin bonded magnet

Protected activators for use in leuco dye compositions

Protective agent for printed matter and protection layer...

Protective coatings for optical disc information recording media

Protective compositions for recording

Protective film assembly and method of making the same

Protective layer for optical information recording medium

Protective overcoatings for magnetic-recording disks

Protective U.V. curable cover layer for optical media

Protector for sheet metal coils

Pseudo-reflective read inhibitor for optical storage media

Pseudo-transmissive read inhibitor for optical storage media

PTFE membranes and gaskets made therefrom

PTFE membranes and gaskets made therefrom

Quinoxalinepentamethine dyes and optical recording medium contai

Radial tilt reduced media

Radial tilt reduced media

Radiation flood source and method for producing the same