国家/地区 中国（11） 美国（3） 加拿大（2） 日本（2） 世界知识产权组织（2）
IPC部 B（12）
IPC大类 B01（12）
IPC小类 B01D（12）
IPC B01J020/26（12）
发明人 LUO X（2） WANG S（2） ZHANG X（2）
ZHOU H（2）
公开年 2021（12）
申请年 2021（7）  2020（4） 
专利权人

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Preparation of composite film used for absorbing tetracycline in water, involves mixing solutions comprising graphene oxide, polyethylene glycol-400, and nanoparticles and zeolite or poly(styrene-divinylbenzene) in water, vacuum self-assembly filtering using porous micro-filtration film and drying.

WANG X, HU Y, ZHANG X, LIU Z, GUO Y

Preparing graphene oxide/polymer sponge three-dimensional structure composite material comprises e.g. adding polymer sponge in strong acid aqueous solution, removing residual strong acid aqueous solution, and soaking negatively charged polymer sponge in graphene oxide dispersion liquid.

LIU B, PENG T, ZHANG X, SUN H

Hydrophobic magnetic porous material useful for treating or absorbing hydrophobic material, prepared by e.g. modifying magnetic nanoparticles coated with protein shell into porous substrate and performing hydrophobic treatment.

YU J, CAO C, ZHANG T, PAN Y

Mixture comprises solution of alkylsulfonic acid and 1-(4-acetylphenyl)ethan-1-one derivative and acetophenone, additional elements selected from carbon nanotubes, metal nanowires, dendritic metal micro/nano-particles.

ZHOU H, ZHANG Q, WANG C, GUO Z, FANG L

New nitrogen-15 and nitrogen-14 interspersed uniform nitrogen-doped graphene useful in preparing graphene materials and modified graphene materials.

HUANG M, LUO X, DENG H, JIA Q, PENG S, ZHANG Z, XI S, LIU Y, LIU X, CHI S

Bionic fiber functional material used in low concentration heavy metal ion adsorption, is rich in multiple adsorption sites, that is, N, O, and S sites that have adsorption properties for heavy metal ions and material.

HE H, WANG L, ZHU H, ZHOU H, WANG S, HO H, ZHU H X, CHOU H

Preparing nanocomposite fiber membrane useful for removing ionic dyes and heavy metal ions in wastewater, comprises immersing polyacrylonitrile electrospinning nanofibers and graphene oxide composite film in dopamine aqueous solution.

WANG H, NIU L, HAN D, PAN G

Hybrid graphene material used for manufacturing filters of substances from any tobacco product, preferably cigarettes, industrial processes, internal combustion engines or chemical processes, comprises micronized graphite.

BENSE CANDELA T, BANCHERO ISASMENDI M M, UMPIERREZ VAZQUEZ E F, RUFENER C, VILLANUEVA J P, PARDO H, FACCIO R, MOMBRU A, BENSE C T, BANCHERO I M M, UMPIERREZ V E F, BENSE C T S, CANDELA T B, ISASMENDI M M B, VAZQUEZ E F U, UMPIERREZ VIZQUEZ E F, UFENER C, UMPIERREZ VAZQUEZ E, DRA. PARDO H, DR. FACCIO R, DR. MOMBRU A

Extracting rebaudioside A from Stevia rebaudiana comprises extracting dry leaves of Stevia rebaudiana to obtain an extract, applying the extract to a separation column packed with molecularly imprinted composite materials and eluting.

XING F, XING W, WANG S