国家/地区 中国（9） 美国（3） 欧洲专利局（EPO）（2）
IPC部 B（11）
IPC大类 C08（11）
IPC小类 C08L（11） C08K（9） B29C（5）
B32B（4） C08J（4） B29B（2）
H05K（2）
IPC C08L025/06（11）
发明人
公开年 2021（7） 2022（4）
申请年 2021（11）
专利权人

Low-expansion coefficient halogen-free resin composition useful in laminate and printed circuit board, comprises e.g. o-cresol epoxy resin, bis(4-maleimidophenyl)methane, polyvalent hydroxy-modified styrene resin, phosphinate and cyanate ester hardener.

CHEN K, YU D

Resin composition used for forming composite material for forming fiberglass reinforced resin used for forming laminate for forming e.g. swimming pool or spa pool, comprises one or more curable resins, graphene, one or more milling media, and milled fiberglass.

BEALE L J

Degradable thermoplastic cream bottle has cream cavity in bottle body provided with semi-circular cavity, bottom cover located in bottle opening at bottom of bottle body, outer diameter of edge rib ring provided with edge gap, and outer diameter buckle of bottom cover is fixed on cover groove.

XU H, LUO D, SUN S, HUANG X, HUANG Y, HUANG J

Preparing electromagnetic shielding composite material with multi-layer gradient isolation network comprises forming first ball milling product, second premix, third premix and fourth premix, obtaining hot press forming product and overlapping hot pressing from up to down.

GUO S, GUO Y, WU H

Device for preparing graphene and hydrogen by using joule heat conversion waste plastic, comprises gas pressure control unit fixed on pressure-resistant gas collecting pipeline, and air inlet pipeline fixed in airtight reaction cavity.

YAN Y, WANG Y

Manufacture of black polyester film for e.g. packaging film, involves physically regenerating portion of recycled polyester material by adding black additive to material and granulating to form pellets, forming chemically recycled polyester pellets, mixing obtained both pellets and melt-extruding.

YUAN C, HSIAO C, YANG C, YANG W, LIAO T

Porous groove white pad with function of polishing and grinding has polishing surface layer compositionally connected to grinding material layer, and high elastic layer (first silica gel andfirst nitrile rubber), transition layer and polishing surface layer are provided with multiple through holes.

TAN H, LI J

Automatic medicine delivery machine for ward comprises bottom plate fixedly set with limit block, Groove-shaped rail set at bottom of limit block, bottom plate set with movable rollers, and bottom plate set with first mounting plate.

WU X, XIN P

Preparation of thin-walled cylindrical shell structure by using fiber cloth as reinforcing material, shaping memory polymer as resin matrix to obtain shape memory composite material, pre-curing, and preliminarily shaping into a curled shape.

LIU Y, WU C, ZHANG D, CHENG Z, XIE Z, LIN G, FAN Z

Three-dimensional printing ink comprises latex powder, dimensional nano polymer modifier, emulsifier and solvent.

REN R, JIANG J, HUANGFU H, QI Y, GAO C, ZHOU X, CAO C, LI M, CHEN G