国家/地区 中国（3）
IPC部 C（3）
IPC大类 C22（3） B01（2）
IPC小类 C22B（3）
IPC C22B009/10（3）
发明人
公开年 2022（2）
申请年
专利权人

Preparing fine-grained high-purity oxygen-free copper plate comprises e.g. cleaning hearth of electron beam cooling bed smelting furnace, heating hot-pressed slab, milling milled hot-rolled billet up and down, annealing semi-finished sheet material, and cutting according to product shape.

WANG W, WANG C, LIU X, LIU Q, ZHOU B, WANG J, SUN J, LIANG X, WANG Q

Preparing palladium molecular sieve catalyst for deep dehydrogenation and deoxidization, and used for desorption materials in aerospace, comprises zeolite powder as carrier, and palladium double base salt as active component.

ZHANG H, LI Y, HUANG D

Refining agent for improving casting performance of waste aluminum, comprises modified graphene, nano aluminum nitride, titanium pigment, ammonium fluoroborate, epidesmine antibacterial powder, alumina, and hydrogen type mordenite powder.

HE Q