天津大学教师个人主页系统杨长生 Personal Profile

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Yang Changsheng

School

School of Chemical Engineering and Technology

Professional Title

Associate professor

Discipline

Department of Chemical Engineering and Technology

Other Contact Information

Patents

Current position: Personal Profile > Academic Achievements > Patents

(8) MA PEISHENG; YANG CHANGSHENG; MA YOUGUANG; Method of preparing metal ion less adipic acid by nitric acid oxidation of cyclohexane oxidation liquid pickling water. CN1651391 (A), 2005-08-10.

Hits:

Service Invention or Not:no

Pre One:(9) YANG CHANGSHENG; SUN FEIZHONG; SHI NUO; Method for separation and purification of monomethylamine-dimethylamine mixture in methylamine synthesis system. CN107311871 (A), 2017-11-03.

Next One:(7) YANG CHANGSHENG; MA PEISHENG; MA YOUGUANG; Method for preparing hexane diacid by nitric acid catalyzed oxidation of cyclohexane oxidized liquid acid washing water CN1683308 (A). 2005-10-19.