国家/地区 中国（4）
IPC部 B（5）
IPC大类 C11（5）
IPC小类 C11D（5）
IPC C11D003/22（3） C11D003/60（3） C11D001/825（2）
C11D003/20（2）
发明人
公开年 2021（5）
申请年 2019（2）  2020（2） 
专利权人

High air salt concentration galvanized iron art railing forging processing technique involves heating iron rail, separating iron block impurity, immersing iron rail into the oil removing solution, and washing with deionized water.

SONG J

Cleaning steel pipes involves using high-pressure gas pulse to flush the cleaning liquid into the pipeline to be cleaned, and introducing ultrasonic waves.

LI R

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

Cleaning of reactor during drug synthesis, involves pouring lye into reactor, closing reactor, pouring out spent lye before use, rinsing with purified water, and adding ethanol solution to alkali-washed reactor.

DENG Y

Chinese herbal medicine detergent is prepared by adding thickener to deionized water, heating, stirring, cooling, adding cocamide diethanolamine, alkyl glycosides.

ZHANG J