国家/地区 印度（2）
IPC部 A（2）
IPC大类 A61（2） B01（2） F24（2）
IPC小类 A61L（2）
IPC F24F003/16（2）
发明人
公开年
申请年
专利权人

Air-purification system for ultraviolet light-based air purifier, comprises one high efficiency particulate air filtration unit (HEPA) where HEPA filter bed extracts air from external atmosphere and performs a HEPA filtration.

SINGHAL A V, SHARMA A K, HAJELA K, SYED S A I, KUMAR N, SHARMA D, JAI S

Graphite filter tipped cigarette comprises a filter with fibers segment and tobacco where a graphene adsorption section has wrapping paper composition and is coated with graphene, which is chemically bonded to filter fibers.

WANG G, TANG Y, ZHANG J, ZHANG A, LIU D