Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Very highly transparent yellow iron oxide pigments, a process for their production and their use

Very highly transparent yellow iron oxide pigments, a process for their production and their use

US Patent 5879441 · Granted Mar 9, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Use of synthetic, iron raw materials for preparing iron oxide pigments2000
Non-silking iron oxide yellow pigments with high color density2000
Highly transparent, yellow iron oxide pigments, process for the production there1999
Use of synthetic, iron raw materials for preparing iron oxide pigments1998
Highly transparent, red iron oxide pigments, process for the production thereof 1997
Transparent iron oxide pigments, processes for their production and their use1994
Silicon nitride powders of low isoelectric point and processes for their product1991
Silicon nitride powders with improved surface properties and processes for their1991
Silicon nitride powder of low oxygen content1991