Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Silicon nitride powders of low isoelectric point and processes for their production

Silicon nitride powders of low isoelectric point and processes for their production

US Patent 5066473 · Granted Nov 19, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Casing holding device for an apparatus for filling tubular cases2022
Reducing agent for the soluble chromate content of cement and methods for produc2014
Method for processing iron-laden spent sulfuric acid2009
Anti-inflammatory and healing medicine based on laminarin sulphate2006
Method for formation and production of matrices of high density light emitting d2002
Use of an extract of Alchemilla vulgaris to inhibit angiogenesis2002
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
Very highly transparent yellow iron oxide pigments, a process for their producti1999
Oxidation in the Witten-Hercules process for preparing dimethyl terephthalate1999
Use of synthetic, iron raw materials for preparing iron oxide pigments1998