Ruibiao Yu

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing alkylated p-phenylenediamines
- Patent number 9,029,603
- Issue date May 12, 2015
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 8,686,188
- Issue date Apr 1, 2014
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Falling film evaporator
- Patent number 8,486,223
- Issue date Jul 16, 2013
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen Feng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 8,293,673
- Issue date Oct 23, 2012
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 7,989,662
- Issue date Aug 2, 2011
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 7,235,694
- Issue date Jun 26, 2007
- Sinorgchem Co., Shandong
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 7,176,333
- Issue date Feb 13, 2007
- Sinorgchem Company, Shandong
- Nongyue Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 7,084,302
- Issue date Aug 1, 2006
- Sinorgchem Shandong Co., Ltd.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING ALKYLATED P-PHENYLENEDIAMINES
- Publication number 20130066113
- Publication date Mar 14, 2013
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen FENG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE
- Publication number 20120053367
- Publication date Mar 1, 2012
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen FENG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
FALLING FILM EVAPORATOR
- Publication number 20110226606
- Publication date Sep 22, 2011
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen FENG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE
- Publication number 20090048465
- Publication date Feb 19, 2009
- Jiangsu Sinorgchem Technology Co., Ltd.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE
- Publication number 20080039657
- Publication date Feb 14, 2008
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE
- Publication number 20070232832
- Publication date Oct 4, 2007
- Sinorgchem Co.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE
- Publication number 20070227675
- Publication date Oct 4, 2007
- Sinorgchem Co.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing 4-aminodiphenylamine
- Publication number 20060247473
- Publication date Nov 2, 2006
- Sinorgchem Co.
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing 4-aminodiphenylamine
- Publication number 20050240058
- Publication date Oct 27, 2005
- Nongyue WANG and Guangqiang SHI
- Xiaogen Feng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing 4-aminodiphenylamine
- Publication number 20050065376
- Publication date Mar 24, 2005
- Guangqiang SHI and Nongyue WANG
- Nongyue Wang
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Process for preparing alkylated p-phenylenediamines

Process for preparing 4-aminodiphenylamine

Falling film evaporator

Process for preparing 4-aminodiphenylamine

Process for preparing 4-aminodiphenylamine

Process for preparing 4-aminodiphenylamine

Process for preparing 4-aminodiphenylamine

Process for preparing 4-aminodiphenylamine

Patents Applicationslast 30 patents

PROCESS FOR PREPARING ALKYLATED P-PHENYLENEDIAMINES

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

FALLING FILM EVAPORATOR

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE

Process for preparing 4-aminodiphenylamine

Process for preparing 4-aminodiphenylamine

Process for preparing 4-aminodiphenylamine