Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid

Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid

US Patent 4906445 · Granted Mar 6, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Preparation of additive mixtures for mineral oils and mineral oil distillates2011
Pulverulent laundry and cleaning detergent ingredient consisting of polycarbosyl2007
Phyllosilicate adsorbate and its use2006
Preparation of additive mixtures for mineral oils and mineral oil distillates2006
Process for the preparation of ethylene copolymers, and their use as additives t2005
Builder composition prepared by heat-treating a crystalline layered Na silicate2005
Process of preparing a crystalline sodium silicate builder composition2005
Laundry detergents and cleaners comprising microdisperse silicate-containing par2004
Process for the preparation of ethylene copolymers, and their use as additives t2004
Machine dishwashing detergent2003
Process for the preparation of ethylene copolymers, and their use as additives t2003
Granular alkali metal phyllosilicate compound2002