国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08B（4）
IPC C08B037/00（4）
发明人
公开年 2022（4）
申请年 2022（2） 
专利权人

Preparing high polymer material useful in daily chemical bottle, comprises e.g. dissolving guar gum in 1-allyl-3-methyl imidazole chloride to prepare transparent solution, heating, adding tert-butyl acetoacetate and obtaining polysaccharide-based polymer and obtaining chitosan-camphor Schiff base.

WEI C

Improving external anti-oxidation activity and biological flocculability of Candida albicans extracellular polysaccharide comprises inoculating Candida albicans into liquid containing oxidized graphite, culturing system on constant temperature shaker, sequentially extracting and purifying.

LIU C, YUAN X, GAO X

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

Removing hemp-flower leek polysaccharide pigment by three-dimensional porous amino graphene decoloring column, involves reacting graphene oxide solution and ethylene diamine, loading into chromatography, dissolving hemp flower leek polysaccharide crude substance, decoloring, freezing and drying.

FENG J, LAN X, ZHANG W, SHI S, WANG J