国家/地区 韩国（3） 中国（2）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D053/94（7）
发明人
公开年 2022（3） 2021（2） 2023（2）
申请年 2020（3）  2022（2） 
专利权人

Catalyst coated with nitrogen-doped graphene quantum dots useful for improving selective catalyst reduction efficiency, comprises vanadium oxide, tungsten trioxide, titanium dioxide, and nitrogen-doped graphene quantum dots.

BAIK J M, CHOI S, RAHULPOLBIA

Exhaust gas purifying device used in automobile exhaust pipes, has filtering chamber with filters to capture low carbon particles from exhaust gas, electrostatic means to attract heavy carbon particles from filters, oscillating means to remove captured low carbon particles, and collecting means.

NAKKELLA A K, SWAPNAVAHINI K, BHUKYA B, SRINIVAS B, METRE S G, SUBRAMANYAM M, KUMAR A, HARINI R, DONGRE S B, JAYARAJAN D, LAKSHMINARAYANA S A, ANNAM V

Anti-crystallization vehicle urea comprises high-purity urea, crystallization inhibitor, acetylene glycol surfactant, 2,6-di-tert-butyl-p-cresol, cold-resistant agent and high-purity water.

YE T

Selective catalytic reaction device e.g. for industrial flue gas treatment, comprises e.g. a combustion gas inlet duct part introduced with combustion gas and aqueous ammonia, and selective catalytic reaction part set with catalyst layer.

NAM D

Method for removing residual chlorine from inorganic substances for nitrogen oxide reduction catalyst comprises heat treating inorganic substance under ammonia atmosphere.

HEO I J, KIM S M, KOH E Y, IL K S

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