Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the preparation of a pollution control catalyst for internal combustion engine exhaust system/catalytic converter

Process for the preparation of a pollution control catalyst for internal combustion engine exhaust system/catalytic converter

US Patent 4581343 · Granted Apr 8, 1986

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Colloidal dispersion of a rare earth compound comprising an anti-oxidant agent a2013
Synthesis and applications of 2-oxo-4-methylthiobutyric acid, its salts and its 2010
Organic colloidal dispersion of iron particles, method for preparing same and us2008
Method for treating by combustion carbon-containing particles in an internal com2004
Method for reactivating a catalyst for cyclizing hydrolysis of an aminonitrile i2004
Method for purifying aliphatic aminonitriles2003
Hemihydrogenation method for dinitriles2003
Composition based on cerium oxide or on cerium and zirconium oxides, in the extr2003
Method for cyclizing hydrolysis of an aminonitrile compound into lactam2002
Method for treating exhaust gas of internal combustion engines functioning with 2002
Composition based on cerium oxide and on zirconium oxide with a high specific su2001
Composition based on zirconium oxide and cerium oxide, preparation method theref2001