国家/地区
IPC部 B（3）
IPC大类 B05（3）
IPC小类 B05D（3）
IPC B05D007/24（2）
发明人
公开年 2022（3）
申请年 2021（2） 
专利权人

Cylindrical metal cartridge comprises container which is metal with specific thickness, where bottom surface of cylinder has discharge port, and between top and bottom surfaces of cylinder has plunger slidable toward top or bottom surface of cylinder.

FUJIWARA H

Preparing multi-component cold chain lunch box partitioned temperature-controlled packaging for microwave reheating comprises coating first heating zone film liquid second heating zone film liquid and third heating zone film liquid on multi-component lunch boxes.

LI Z, SHI J, ZHANG J, ZOU X

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