国家/地区 中国（4）
IPC部 C（6）
IPC大类 C04（6）
IPC小类 C04B（6）
IPC C04B014/02（6）
发明人
公开年 2021（5）
申请年 2021（6）
专利权人

Oil well cement retarder useful in the field of oil fields, comprises reinforcing agent, stabilizing agent, tartaric acid, sodium glucoheptonate, sodium gluconate and deionized water.

MU H, MIAO X, WEI H, LIU X, WANG M, ZHOU S, LIU J

Thermal energy storage cell comprises concrete vessel, eutectic composition contained in concrete vessel and having preset phase change and density and specific heat, and heating element charged to heat eutectic composition.

WARBURTON G

Fluorine fluoride thermally conductive film used for preparing thermal interface material, comprises fluorinated graphene and ethylene-vinyl acetate.

SUN D, HAN H, LEI F, LI D

Preparing hydrophilic carbon black useful for preparing building pigments, comprises dispersing graphene oxide and furnace carbon black in water, then soaking in nitric acid solution, carrying out solid-liquid separation and drying.

YU L, LI Y

Preparing crystalline graphene useful as modifying agent in preparation of modified asphalt, comprises heating high-activity calcium hydroxide powder, performing chemical vapor deposition reaction, acid washing, filtering and etching.

CUI Y

Thermal energy-transfer system such as grade beam, comprises thermally conductive concrete comprising carbon, metals and/or conductive polymers, aggregate and cement and having preset compressive strength, and pipes, tubes and capillaries.

GUARRERO B P