国家/地区 中国（26） 世界知识产权组织（5） 韩国（3） 加拿大（2） 欧洲专利局（EPO）（2） 美国（2）
IPC部 C（31）
IPC大类 C08（31）
IPC小类 C08L（31）
IPC C08L005/08（31）
发明人 HU K（2） HU M（2） LI L（2）
LI X（2） WANG H（2） WANG X（2）
WEI B（2） WEI Y（2） YANG B（2）
YANG G（2） YANG Y（2）
公开年 2021（20） 2020（11）
申请年 2020（31）
专利权人 BEIJING GRAP.（2） BEIJING HUAQ.（2） WEI B（2）

Surface heating composite sheet useful for constructing snowmelt pavement on a road comprises base sheet made of synthetic resin material, planar heating layer comprising insulating sheet, and conductive paste including carbon nanotubes.

OK C, OCK C

Preparing water-dispersible graphene nanoplatelet used for preparing composite with hydrophilic polymer, by grinding and mixing graphene nanoplatelet and active material, and heating mixture using microwave at medium energy.

LIM H N

Conductive composite film comprises reduced graphene oxide, quaternary ammonium salt hemicellulose and chitosan.

GUAN Y, GAO H, WU Y, WU H

Fashionable and environmentally friendly cloth bag comprises modified polyurethane emulsion, antibacterial materials, corrosion-resistant materials, and coupling agent.

GAO X, LI F, ZHANG X, LI X, YANG T

Preparation of chitosan-graphene oxide composite gel by preparing mineralized collagen powder, and mixing chitosan-mineralized collagen composite solution and dimethylformamide-polyethylene glycol crosslinking agent solution.

HU K, HU M, YANG G, WANG H, LI L, WEI Y

Green reprocessing polymer hydrogel involves adding a biocatalytic substance to the hydrogel raw materials to prepare a hydrogel, where hydrogel being polymerized by dynamic covalent bonds or supramolecular interactions.

WANG X, ZHONG Y

Preparing hyaluronic acid-graphene oxide composite gel, comprises adding HA powder to MC solution in batches and stirring to make HA powder fully dispersed and combined.

HU K, YANG G, HU M, WANG H, LI L, WEI Y

Preparing sandwich chitosan-based antibacterial composite film with reduced graphene oxide immobilized nano-silver for food packaging, involves washing, drying, pulverizing, and ball milling the corn stalks to obtain corn stalk powder.

WANG X, GU B, JIANG Q

Conductive two-color connector is mainly made by injection molding of internal conductive materials and external light-transmitting materials.

SHI S, MA T

Antimicrobial hemp-based plastic composition comprises hemp material, thermoplastic resin and antimicrobial additive, where presence of additive prevents or minimizes microbial growth in material or in contact with material.

TUBBS K, ETTENSON F, BENHAIM P, DEAN G, CREW T, FRANCINE E, BENHEIMPOLE, DINGREG