国家/地区 世界知识产权组织（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC C08L079/08（3）
发明人
公开年 2023（3）
申请年 2022（3） 
专利权人 PI ADVANCED .（2）

Composition used to produce thermoset composite material comprises cyanate ester comprising difunctional cyanate ester compound and polyfunctional cyanate ester moiety and substituted bisimide compound comprising biscitraconimide compounds.

LA DELFA G, FOURNIER J, ABGOTTSPON M, MAYERHOEFFER U, ELLINGER S

Producing polyimide powder used in display, automobile, medical, battery, and aerospace, involves preparing polyamic acid solution, preparing polyimide mixed solution by heating polyamic acid solution, and filtering and drying precipitate present in mixed solution to obtain polyimide powder.

LEE H S, YANG M S, LEE I S, LEE H, YANG M

Polyimide film is obtained by imidization reaction of polyamic acid containing quinoline and beta-picoline as imidation catalyst and acetic anhydride as dehydrating agent.

JUNG H, WON D, WON D Y