国家/地区 中国（4）
IPC部 A（4）
IPC大类 B01（4） A01（2） A61（2）
IPC小类 B01D（4）
IPC A01N059/16（2） A01P003/00（2）
发明人 ZHANG C（4）
公开年 2023（2）
申请年 2022（2） 
专利权人

Extraction of total flavonoids of Artemisia subdigitata by mixing crushed Artemisia subdigitata with ethanol solution and magnetically immobilized cellulase, placing Artemisia subdigitata solution into high-voltage pulsed electric field to extract, filtering extract and performing ultrafiltration.

ZHANG C

Nano aldehyde-removing liquid wax used for adsorbing indoor formaldehyde, purifying indoor air and maintaining indoor fragrance, comprises graphene, activated carbon, dried flower, plant essential oil, citric acid, peppermint leaf, Artemisia argyi, lavender, alcohol and turpentine oil.

ZHANG C

Preparing graphene composite antiviral powder and antibacterial and antiviral air filter material, comprises e.g. preparing reduced graphene oxide suspension, mixing with mixed activating stock solution of palladium chloride, tin chloride and hypo chlorous acid and centrifuging.

LI Z, RAN W, ZHANG C, XU R

Preparing modified graphene sponge comprises e.g. preparing nano silver/graphene suspension, then adding ethylenediamine and aqueous ammonia to nano silver/graphene suspension, and stirring well.

ZHANG C