国家/地区 美国（4）
IPC部 B（4）
IPC大类 C08（4） C09（4） B82（2）
IPC小类 C08K（4） B82Y（2） C08J（2）
C08L（2） C09D（2）
IPC C08K003/04（4）
发明人
公开年 2021（3）
申请年 2020（4）
专利权人

Forming a barrier to overcome lost circulation in a subterranean formation involves injecting a polymer-sand nanocomposite into one or more lost circulation zones in the subterranean formation, and polymer-sand nanocomposite comprising sand mixed with a polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A

Surface-treatment composition used for vibration damping steel sheet, comprises polymer resin and inorganic nanoparticles having preset average aspect ratio.

KIM J, LEE J, KIM Y, CHOI H, CHOI Y, KIM J T, KIM Y S, CHOI Y H, CUI H, JIN Y, LI Z

Reinforced biodegradable polymer nanocomposite for synthetic barrier film comprises polymer matrix and functionalized graphene nanoplatelets or graphene-like material having sheets that are functionalized with functional groups at the edges.

JULIUSSEN G, BROUGHTON S

Ink useful for providing viral active or anti-microbial coating to substrate, comprises carrier, graphene or graphene oxide particles dispersed in carrier, and viral active or anti-microbial component adhered to graphene.

CHEN S W, DEVINE S, CHEN S, SANDWINTHROP C