国家/地区 中国（4）
IPC部 C（4）
IPC大类 D01（4）
IPC小类 D01F（4）
IPC D01F001/10（4）
发明人
公开年 2023（4）
申请年 2022（3） 
专利权人

Low-grade concrete mixed with stone powder comprises cement, mineral powder, fly ash, stone powder, sand, gravel, water reducing agent, and water.

LIN J, JIANG W, XU Y, ZHANG J, HUANG C, ZHONG X

Fresh-keeping packaging film material comprises gelatin, chitosan, plasticizer, antioxidant, heat stabilizer, silane coupling agent, antibacterial fresh-keeping agent, modified polylactic acid fiber, and titanium dioxide.

XI C, BAI R, LIU Y

High-performance polyformaldehyde fiber useful for concrete, comprises polyformaldehyde/polyamide composite fiber and graphene fiber grafted with polyformaldehyde/polyamine.

ZHANG X, SHI J, ZHAO X, LOU L, YE L, ZHANG Y

Preparing anti-pilling fabric, which is useful in field of clothes, comprises e.g. blending modified polyester fiber and wool fiber, pretreating and placing fabric in tris (2-carbonyl ethyl) phosphorus hydrochloride solution, washing with deionized water, drying, and baking.

CHEN Y, TAN Y