国家/地区 中国（15） 世界知识产权组织（3）
IPC部 C（15）
IPC大类 C08（15） H04（7） A61（3）
IPC小类 C08J（15）
IPC C08J005/18（15）
发明人 LI C（15）
公开年 2022（6） 2021（5） 2023（2）
申请年 2022（5）  2021（4）  2020（2）  2023（2） 
专利权人 GOERTEK INC（7） ZHEJIANG LAB（2）

Transparent piezoelectric film useful for preparing ultrasonic transducer, comprises e.g. composite heterojunction particles are chemical heterojunction formed between conductive particles and transparent inorganic piezoelectric phase particles.

GAO D, WANG Y, LI C, CHEN R, SHI J, YIN Y, REN D

Stretchable piezoelectric film useful in preparing ultrasonic transducer, comprises porous cellulose-based polymer, and piezoelectric active material loaded in pores of porous cellulose-based polymer, where piezoelectric active material comprises organic piezoelectric phase.

GAO D, WANG Y, LI C, CHEN R, SHI J, YIN Y, REN D

Preparing film used as antibacterial packing material or slow-release drug-carrying material by adding carboxymethyl chitosan and graphene oxide solution to triphosphoric acid, adding gelatin solution, adding into plate and drying film.

ZHAO Y, LI Y, LI F, XIE D, LI C

Diaphragm of sounding device, comprises silicone rubber film layer, and silicon rubber film layer contains network polymer and network polymer silicon based compound as first segment, methyl group containing compound as second segment and 3-methylhex-3-ene as third segment.

LI C, WANG T, WANG H

Sound-producing device vibrating membrane comprises silicone rubber membrane layer including network polymer composed of silicone moieties, fluorine-containing segment and nitrogen- and fluorine-containing segment.

LI C, WANG T, WANG H

Vibrating membrane for a sounding device comprises a silicone rubber membrane layer, the silicone rubber membrane layer contains a network polymer, the network polymer includes a first segment is silica compound and a second segment is cyanide compound.

LI C, WANG T, WANG H

Sounding device vibrating diaphragm useful in sounding device, comprises silicone rubber membrane layer, and the silicone rubber membrane layer contains reticular polymer, the reticular polymer includes first segment i.e. siloxane compound and second segment i.e. 2-methoxybutane compound.

LI C, WANG T, WANG H

Preparing fluorinated graphene/polybenzoxazole composite film comprises preparing N-methylpyrrolidone suspension of fluorinated graphene, stirring with polyhydroxyamide, and paving and performing ring-closing reaction by heating.

LI C, WU S, YU Z

Sound-producing device vibrating diaphragm comprises at least one fluorosilicone rubber membrane layer composed of substituted silicone based first segment, silicone based second segment and at least one alkyl substituted silicone based third segments.

LI C, WANG T, WANG H

Diaphragm of sound-producing device comprises layer of fluorosilicone rubber film layer three chain sections in net-shaped polymer.

LI C, WANG T, WANG H