Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Magnetic iron oxide pigment and recording media

Magnetic iron oxide pigment and recording media

US Patent 4683167 · Granted Jul 28, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Reduction of iron oxide utilizing dehydrating agent1982
Economical process for producing metal particles for magnetic recording1982
Particles for magnetic recording1981