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Patents Grants
last 30 patents
Information
Patent Grant
Method for continuously preparing citalopram diol
Patent number
11,845,710
Issue date
Dec 19, 2023
Zhejiang Huahai Pharmaceutical Co., Ltd.
Chen Liu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis method for cariprazine
Patent number
11,420,948
Issue date
Aug 23, 2022
Zhejiang Huahai Pharmaceutical Co., Ltd.
Wenjing Liao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing elagolix intermediate and composition thereof
Patent number
11,365,178
Issue date
Jun 21, 2022
Zhejiang Huahai Pharmaceutical Co., Ltd
Hu Su
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fosaprepitant phosphate intermediate and preparation method therefor
Patent number
11,091,508
Issue date
Aug 17, 2021
Shanghai Aobo Pharmtech, Inc., Ltd.
Jicheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for preparing Nintedanib and intermediates thereof
Patent number
10,836,751
Issue date
Nov 17, 2020
Zhejiang Huahai Pharmaceutical Co., Ltd.
Zeng Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Suvorexant intermediate and preparation method thereof
Patent number
10,618,891
Issue date
Apr 14, 2020
Zhejiang Huahai Pharmaceutical Co., Ltd.
Jianping Lin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing oxazolidinone intermediate
Patent number
10,590,154
Issue date
Mar 17, 2020
Zhejiang Huahai Pharmaceutical Co., Ltd
Siyuan Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation method for tedizolid, tedizolid intermediate, and prepa...
Patent number
10,385,079
Issue date
Aug 20, 2019
Zhejiang Huahai Pharmaceutical Co., Ltd
Siyuan Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PREPARING BRIVARACETAM AND INTERMEDIATE THEREOF
Publication number
20230174478
Publication date
Jun 8, 2023
Shanghai Syncores Technologies Inc. Ltd
Yipeng ZHAN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING LURASIDONE HYDROCHLORIDE
Publication number
20230037151
Publication date
Feb 2, 2023
Zhejiang Huahai Pharmaceutical Co., Ltd.
Yikai ZHANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING BRIVARACETAM AND INTERMEDIATE THEREOF
Publication number
20220048856
Publication date
Feb 17, 2022
ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD
Haisheng FAN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR CONTINUOUSLY PREPARING CITALOPRAM DIOL
Publication number
20220024860
Publication date
Jan 27, 2022
Zhejiang Huahai Pharmaceutical Co., Ltd.
Chen LIU
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SYNTHESIS METHOD FOR CARIPRAZINE
Publication number
20210300883
Publication date
Sep 30, 2021
Zhejiang Huahai Pharmaceutical Co., Ltd.
Wenjing LIAO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING ELAGOLIX INTERMEDIATE AND COMPOSITION THEREOF
Publication number
20200369625
Publication date
Nov 26, 2020
ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD
Hu Su
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL PREPARATION METHOD FOR ANTI-GOUT DRUG LESINURAD, AND KEY INTE...
Publication number
20200062720
Publication date
Feb 27, 2020
Zhejiang Huahai Pharmaceutical Co., Ltd
Qing LI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHODS FOR PREPARING NINTEDANIB AND INTERMEDIATES THEREOF
Publication number
20200048225
Publication date
Feb 13, 2020
Zhejiang Huahai Pharmaceutical Co., Ltd.
Zeng Li
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FOSAPREPITANT PHOSPHATE INTERMEDIATE AND PREPARATION METHOD THEREFOR
Publication number
20190144477
Publication date
May 16, 2019
Zhejiang Huahai Pharmaceutical Co., Ltd.
Jicheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SUVOREXANT INTERMEDIATE AND PREPARATION METHOD THEREOF
Publication number
20190040052
Publication date
Feb 7, 2019
Zhejiang Huahai Pharmaceutical Co., Ltd.
Jianping Lin
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PREPARATION METHOD FOR TEDIZOLID, TEDIZOLID INTERMEDICATE, AND PREP...
Publication number
20180319828
Publication date
Nov 8, 2018
ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD
Siyuan Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PREPARING OXAZOLIDINONE INTERMEDIATE
Publication number
20180312476
Publication date
Nov 1, 2018
ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD
Siyuan LI
C07 - ORGANIC CHEMISTRY