国家/地区 印度（2） 韩国（2）
IPC部 B（6） C（3） A（2）
IPC大类 B65（6） C08（2）
IPC小类 B65D（6）
IPC
发明人
公开年 2021（6）
申请年 2019（6）
专利权人

Preparing 3-substituted 4-hydroxycoumarin compound, involves mixing 4-hydroxycoumarin derivatives with unsaturated alfa-beta-ketone, adding water, amino functional solid catalyst, heating, crystallizing viscous mass using organic solvent.

HAIDER M A, ALAM M I, AKHTAR M W, SHAHADAT M, AHMAD S Z

Improved water soluble film used to make packaging film, comprises water soluble films batch i.e. prepared by mixing e.g. water soluble resins, plasticizers and fillers and mixing water soluble film batch with graphene nanoparticles.

PATEL S P

Method of moving an object containing liquid with addition of graphene under influence of light, by placing particles of porous graphene, suspended in liquid, in transparent vessel, with atmosphere containing oxygen above surface of liquid.

STREK W, WIEWIORSKI P, TOMALA R, MISTA W

Universal pallet for loading and transporting automobile portions, has vertical support that is mounted at corner position of main support plate and upper support that is connected between upper ends of vertical support.

LEE S Y

Packing container comprises antibacterial layer prepared using composition containing antimicrobial agent and base resin, and antimicrobial agent comprises mesophilic calcium powder, ion exchange calcium powder and antimicrobial polymer.

KYUNG L, KIM D W

Gas and moisture permeable film used in vegetable and fruit fresh-keeping package, comprises support layer and functional layer, where functional layer exists on one side of support layer or on both sides of support layer.

ZHANG Y, YIN J, ZHENG C, SONG J, TANG Y, YAO X, PAN G, LIU Y