国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08B（3）
IPC
发明人 WANG L（2）
公开年 2022（3）
申请年 2021（2） 
专利权人

New gemini surfactant used for used as a particle stabilized emulsion flooding system, which is used in tertiary oil recovery, and as a particle stabilized emulsion flooding system.

YANG S, HUANG J, LIAN L, WANG L, HU W, SONG W, ZHOU W, ZHOU X, HU J, LV W, TIAN M

Polysaccharide-based bactericidal material useful in the spread and infection of pathogenic microorganisms by bacteria, comprises photothermal conversion material and cationic modified polysaccharide combined by physical coating.

ZHANG J, YU J, ZHANG X, CHENG Y, WEN C, JI X, TIAN W

Fluid loss additive used e.g. for drilling fluid and oil extraction field, comprises modified natural high molecular polymer e.g. starch, xanthan gum or vegetable gum, and nanoparticle e.g. nano-silicon dioxide and nano-calcium carbonate.

YANG X, QIAN X, JIANG B, WANG L, WANG Y, LIN Y