| Patent Number |
Title Of Patent |
Date Issued |
| 7374792 |
Method for applying a catalyst composition to the interior of a hollow substrate |
May 20, 2008 |
| A catalyst composition is applied to an interior of a hollow substrate. The composition is coated on the substrate by immersing the substrate into a vessel containing a bath of coating slurry. A vacuum is then applied to the partially immersed substrate. The intensity of the vacuum a |
| 6478874 |
System for catalytic coating of a substrate |
November 12, 2002 |
| A catalyst composition is applied to an interior of a hollow substrate. The composition is coated on the substrate by immersing the substrate into a vessel containing a bath of coating slurry. A vacuum is then applied to the partially immersed substrate. The intensity of the vacuum and i |
| 5202300 |
Catalyst for purification of exhaust gas |
April 13, 1993 |
| A catalyst composition comprising a refractory support having deposited thereon an active layer containing a platinum group metal component comprising an alumina component having the platinum group metals rhodium and palladium dispersed thereon, a cerium compound, a strontium compound, |
| 5200384 |
Exhaust gas-purifying catalyst excellent in heat resistance and process for preparation thereof |
April 6, 1993 |
| This invention relates to a purifying-catalyst for exhaust gas emitted from internal combustion engines such as automobiles, and the object is to provide a catalyst which exhibits excellent exhaust gas purification performance at lower temperature compared to usual catalysts, even after |
| 5147842 |
Exhaust gas-purifying catalyst and process for preparation thereof |
September 15, 1992 |
| This invention relates to a purifying-catalyst for exhaust gas emitted from internal combustion engines such as automobiles, and the object is to provide a catalyst which exhibits excellent exhaust gas purification performance at lower temperature compared to usual catalysts, even after |
| 5039650 |
Exhaust gas purification catalyst for suppressing hydrogen sulfide evolution, and process for pr |
August 13, 1991 |
| An exhaust gas purification catalyst for removing carbon monoxide, hydrocarbons and nitrogen oxides from an exhaust gas and suppressing the evolution of hydrogen sulfide comprises a monolithic support and deposited thereon, at least one platinum-group element, active alumina, cerium oxid |
| 4965243 |
Process for producing a catalyst for purifying exhaust gases from internal combustion engines |
October 23, 1990 |
| A three-way catalyst for the purification of automotive exhaust is made by depositing on a monolithic support a slurry containing a platinum group element, active alumina, cerium oxide a barium compound and a zirconium compound and calcining the support. |
| 4806519 |
Catalyst for purifying motor vehicle exhaust gases and process for producing the catalyst |
February 21, 1989 |
| A catalyst, and a method for producing the catalyst, and a method for purifying exhaust gases which is very efficient in its use of rhodium has a layered catalytic structure on a refractory substrate, the inner layer containing ceria and platinum, the outer layer containing zirconia and |
