国家/地区 世界知识产权组织（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D053/86（3）
发明人 CHANG T S（2） HEO I（2） HEO I J（2）
KIM Y J（2） LEE J H（2） YOU Y（2）
YOU Y W（2）
公开年 2021（2）
申请年 2021（3）
专利权人 KOREA RES IN.（2）

Preparing denitrification catalyst useful for selective catalytic reduction reaction for reducing nitrogen oxides comprises dispersing silver, zinc and support compound, ball milling dispersion, drying and calcining ball milled dispersion.

KIM Y J, YOU Y, HEO I J, CHANG T S, LEE J H, KWAK J S, LIM M T, YOU Y W, HEO I, KWAK J, IM M T

Manufacturing filter for purifying gases, such as air, from microbial pollutants by applying liquid cement coating containing titanium dioxide particles on porous ceramic filter, drying, soaking in water, drying and exposing to radiation.

WITKOWSKI H, DYTRYCH W, JAROSLAWSKI J

Removing residual chlorine in inorganic material used for producing selective catalytic reduction (SCR) catalyst for reducing nitrogen oxides, by heat-treating inorganic material in gas atmosphere containing moisture or soaking inorganic material in base solution, filtering, and drying.

KIM S M, HEO I, CHANG T S, YOU Y W, LEE J H, KIM S J, KIM Y J, HEO I J, JUNGYUNHO, PARK J H, KIM S G, YOU Y