国家/地区 中国（3）
IPC部 A（3） B（3）
IPC大类 A01（3）
IPC小类 B01D（3）
IPC A01P001/00（2） A01P003/00（2）
发明人
公开年 2017（3）
申请年 2017（3）
专利权人

Preparation of silver/graphene/zinc oxide composite material used for degrading of formaldehyde, involves adding zinc nitrate solution to sodium hydroxide solution, filtering precipitate, washing, drying and calcining dried precipitate.

MA L

Anti-haze mask for pet, has acousto-optic alarm device equipped with loudspeaker and luminophore, and storage battery connected with speaker and luminant part through switch, where middle layer of mask body is made of graphene.

AN Y

Composition useful for removing polychlorinated biphenyls in air comprises metal flocculation layer comprises cellulose, chitosan, hexadecyl trimethyl ammonium bromide, plant extract, and graphene oxide and porous titanium silicon layer.

WANG J