国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3）
IPC小类 C09K（3）
IPC
发明人 ZHANG C（3）
公开年 2022（3）
申请年 2021（3）
专利权人

Water blocking agent for use in gas reservoir recovery, comprises sorbitan fatty acid ester and/or imidazoline as W/O emulsifier, wetting reversal agent, synergist, and balance amount of solvent.

YU X, ZHANG C, YANG S, MA Y, KONG C, LI J, TU Z, WEI J, ZHANG X, WANG L, JING H, CHEN L, BAI X, ZHANG B, LIU J, ZENG N, SHEN J, PENG J, HUANG K, YI J

Preparing light-emitting diode packaging material for emitting white light under excitation of deep ultraviolet light, involves uniformly mixing blue and yellow nitrogen-doped graphene/carbon quantum dots in epoxy resin solution.

LIN J, WANG L, WU X, DU H, CAI X, WEI X, FAN J, YIN X, ZHANG C, LIN T

Fracturing fluid gel used in guar gum fracturing fluid system, comprises nanomaterial, guar gum, organic boron-titanium cross-linking agent and water, where organic boron-titanium crosslinking agent is prepared by dissolving boron.

WANG Y, ZHANG C, LIANG L, LIU B, TANG L, GONG J, XU N