国家/地区 世界知识产权组织（6）
IPC部 B（6）
IPC大类 C08（6） B32（4） B05（2）
B65（2） C09（2）
IPC小类 C08J（6） B32B（4） C08K（3）
C08L（3） B05D（2） B65D（2）
C09D（2）
IPC C08J007/04（6）
发明人
公开年 2022（6）
申请年 2021（6） 
专利权人

Treating molded part useful as element for three-dimensional printing, comprises contacting molded part with solvent-A and forming concentration gradient on surface of molded part.

ROSENFELD A, HEMMERLING A, HERZ F, FOLGER A

Coating arrangement used in coating assembly as air filter or protective facemask, comprises first layer having polymer e.g. first hyperbranched polyglycerol derivatives, and second layer having polymer of second polyglycerol derivatives.

HAAG R, DONSKY I, CHUANXIONG N, POUYRAN P, AHMADI SOURESHJANI V, WAGNER O, DONKSY I

Producing oxygen barrier material for packaging material involves providing and forwarding substrate material web, providing aqueous composition comprising graphene oxide comprising monolayer flakes of graphene oxide, and coating aqueous composition of graphene oxide onto substrate material web.

BERLIN M, WAHLBERG J, GUIDETTI G

Manufacture of water purification membrane for purifying contaminated water e.g. wastewater, involves electrospinning polymers into nanofibers, crosslinking nanofibers to form membrane, oxidizing pyrrole monomers, depositing nanoparticles on membrane and washing.

XING M, LIU Y, CHEN S

Multilayered flexible package useful in packaging systems for food, cosmetic, nutraceutical or pharmaceutical products, comprises polymeric coating comprising dispersion of antioxidant particles.

RIVA M, VACCA P, FIDECKA K, FIDECA C

Water-soluble film used e.g. in laminates for flexible package applications comprises first water-soluble polymeric layer, second water-soluble polymeric layer and water-dispersible barrier layer disposed between the first and second layers.

CARUSO P, BOLZ U, BOSWELL E C