国家/地区 美国（8） 世界知识产权组织（8） 中国（7） 欧洲专利局（EPO）（7） 日本（5） 韩国（3） 澳大利亚（2） 新加坡（2）
IPC部 B（9）
IPC大类 C01（9） B82（6） H01（4）
B01（3） C09（2） C23（2）
IPC小类 C01B（9）
IPC C01B031/04（9）
发明人
公开年 2015（6） 2014（2）
申请年 2014（9）
专利权人

Synthesis of silica-coated graphene hybrid material used as e.g. filler, involves treating ammonium-activated graphene oxide with solution comprising silica precursor(s), and silane coupling agent(s) to obtain functionalized product.

LIU J, LAW J

Formation of graphene scroll for synthesizing graphene article, involves annealing catalyst substrate in hydrogen gas, exposing substrate to reaction gas mixture, detaching substrate from graphene and consolidating synthesized graphene.

VLASSIOUK I V, IVANOV I N, DATSKOS P G

Repairing reduced graphene oxide comprises e.g. reacting graphene oxide with Lewis acid and methyl containing compound, refluxing, adding Lewis acid and repair agent, reacting, mixing with metal powder catalyst, reacting and annealing.

ZHANG M, ZHANG L

Synthesizing reduced graphene oxide on a substrate from seedlac, comprises preparing the seedlac solution in alcohol having specified carbons, dipping the substrate into the solution, and heating the substrate which is a metallic sheet.

SHYAM K C, MANISH K B, TAPAN K R, SUMITESH D, RANJAN K S, YASHABANTA N S, ASHIT K P, VIKAS C S, CHOUDHARY S K, BHADU M K, ROUT T K, DAS S, SAHU R K, SINGHBABU Y N, PRAMANICK A K, SRIVASTAVA V C

Carbon gel catalyst used in complex organic reaction catalysis field comprises carbon material and fixed bed catalyst, where carbon material is graphite oxide, porous graphene oxide, carboxylated carbon tube and/or its modified product.

GAO C, JIN Y, LI J, ZHENG Y, PENG L

Preparation of large-piece graphene for e.g. electronic material involves performing layer inserting treatment on graphite powder under mild condition and presence of acid and oxidizing agent, and washing with dilute hydrochloric acid.

BAI Y, HU X, SHA X, SHA Y

Graphene comprises oxygen atom content in predetermined range, and has carbon/oxygen weight ratio of predetermined range.

LEE J S, DO S H, JEON S Y, KONG J H, DO SEUNG H, LEE J, DO S, JEON S, KONG J

Making graphene oxide or flakes, comprises placing graphite into water containing oxidizing agent, mechanically exfoliating graphite into graphene flakes, and separating graphene flakes from water.

BLAIR R

Preparation of graphene-based film used for device, involves forming layered structure by providing graphene-based film comprising sheets of graphene, graphene oxide and partially reduced graphene oxide.

LI D, YANG X