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 Y（3）
公开年
申请年 2020（2） 
专利权人

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

Preparing cationized cellulose/graphene/polypyrrole conductive composite material used as active material, by oxidizing graphene oxide with reducing agent, modifying bacterial cellulose, mixing dispersion with pyrrole monomer and reacting.

WANG H, WANG Y, FEI G, WANG M, SUN L, MA Y

Preparation of flame-retardant and light-resistant interior wall coating, involves reacting cellulose powder with sulfuric acid, nitric acid, emulsifier, complexing agent, bismuth and molybdenum compounds, sodium sulfate, and graphene.

DUAN B, GAO X, LUO S, SONG L, WANG Q, WANG Y, XIA X