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PORTON FINE CHEMICALS LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    168,173
About

PORTON FINE CHEMICALS LTD has a total of 27 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, environmental technology and pharmaceuticals are ASTATECH CHENGDU BIOPHARMACEUTICAL CORP, ZHEJIANG ZHONGXIN CHEMICALS CO LTD and SALZMAN LOVELACE INVEST LTD.

Patent filings per year

Chart showing PORTON FINE CHEMICALS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zheng Hongjie 15
#2 Lin Wenqing 14
#3 Liu Xiaobo 7
#4 Yang Peng 4
#5 Yang Xiwen 4
#6 Zhu Jianping 3
#7 Tan Jun 3
#8 Liu Qiang 2
#9 Shen Chenjian 2
#10 Wang Ling 2

Latest patents

Publication Filing date Title
CN106632501A Rhodium-diphosphine ligand tetrafluoroborate and preparation method thereof
WO2016202232A1 Synthesis method for (4s)-n-boc-4-methoxy methyl-l-proline amine salt
CN106256819A A kind of synthetic method of (4S) N Boc 4 methoxy L proline amine salt
CN106883185A A kind of preparation method of the chloro- 2- trifluoromethyl pyrimidines of 4-
CN106316803A SGLT-2 inhibitor intermediate synthesis method
CN105801462A (4S)-N-Boc-4-methoxymethyl-L-proline synthesis method
CN105801518A (S)-1-Boc-3-hydroxypiperidine synthesis method
CN104530000A Method for preparing aldosterone synthase conditioning agent intermediate
CN104557917A Preparation method of 5-halogenated azacycloindole
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CN104693108A Preparation method of Bruton's tyrosine kinase (Btk) intermediate
CN104418834A Synthetic method of an antidiabetic drug intermediate
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CN103804208A Method for preparing drug intermediate for hepatitis c
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CN102531932A Preparation method of important intermediate of hepatitis c virus (HCV) protease inhibitor
EP2602250A1 Method for preparing rosuvastatin calcium intermediate
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CN101735272A Method for preparing rosuvastatin calcium midbody