国家/地区
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D053/86（2） B01D053/94（2） B01J037/02（2）
B01J037/08（2） F01N003/20（2）
发明人
公开年 2021（4）
申请年 2020（4）
专利权人

Demagnetizing and electromagnetic magnetic depolarizing information effect of electric and magnetic fields of air by presence of deployed metal grid inserted in air circulation by switching depolarized fields of structure in exchange on air.

JOSE B, PICCALUGA P, STEFFAN C

Preparing ruthenium and iridium-based catalyst involves using ruthenium and iridium metal salts without containing chlorine, supporting ruthenium and iridium on support, and then drying and heat-treating.

KIM S M, HEO I J, LEE J H, YOU Y, KIM S J, KIM Y J

Diesel engine catalytic particle catcher coated with cerium-zirconium-potassium complex/reduced graphene oxide nano solid solution catalyst comprises filter housing and filter element comprising substrate and catalyst.

LI Y, WU G

Selective catalytic reduction catalyst composition, used for emission treatment system for treating flow of combustion exhaust gas, comprises selective catalytic reduction catalyst and binder comprising porous inorganic material.

BAUER J, DOTZEL R, MUENCH J W, PUROVA R, SCHWIEGER W, SELVAM T, SHAHID A