国家/地区 中国（3）
IPC部 B（3）
IPC大类 B05（3）
IPC小类 B05D（3）
IPC B05D007/24（3） B05D007/14（2） C09D005/08（2）
C09D163/00（2）
发明人 ZHANG J（3）
公开年 2022（3）
申请年 2022（3） 
专利权人

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

Preparing high-strength aluminum alloy die casting used for automobile engine bracket, involves putting aluminum alloy matrix into acetone, ultrasonically cleaning aluminum alloy matrix, and ultrasonically cleaning aluminum alloy matrix through absolute ethyl alcohol and deionized water in sequence.

WU G, CHEN D, ZHANG J, LI J, WANG X, LI D

Coating useful as functional protective coating of metal base material, comprises epoxy resin, graphene, pigments and fillers, auxiliary agent and curing agent comprising at least one of dicyandiamide curing agent, phenolic curing agent, and/or acid anhydride curing agent.

WAN X, LAI D, CHE C, LI X, ZHANG J, KONG G