国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人 ZHANG Y（2）
公开年
申请年
专利权人

Preparing diamines and polyamines containing diphenylmethane structure with low acid consumption comprises e.g. undergoing salt-forming reaction to generate aniline salt, mixing aniline salt and formaldehyde solution for reaction, adding solution to separator, and washing organic phase with alkali.

LI C, CUI C, ZHANG H, LI Y, ZHANG Y, LIN F

Aptamer-modified magnetic graphene oxide composite material comprises thiol modified aptamer of magnetic graphene oxide composite covalently modified gold nanoparticle.

DENG N, CHEN Y, JIANG B, LIANG Z, ZHANG Y, ZHANG L