国家/地区 世界知识产权组织（3）
IPC部 B（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC
发明人
公开年 2022（2）
申请年 2022（3）
专利权人

Antistatic sound-absorbing material used as loudspeaker and electronic device, comprises molecular sieve particles, adhesives and antistatic additives.

GONG C, ZHANG L, GUO M, MA Y, ZHANG Z

Graphene material used in substrate for sustained release of non-aqueous component, having specific total porosity and open porosity.

MURAMATSU K, TAKAHASHI K, IWATA H, SUTANI K, YABUMOTO H, IWATA E

Manufacturing molded product using coffee grounds by drying coffee grounds, sieving coffee grounds that were dried, mixing sieved coffee grounds with gypsum mixture, inserting prepared mixture into mold, and molding it.

KIM S, SEAN K