Patents by Inventor Xiangping Yang

Xiangping Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • REFRIGERATOR
    Publication number: 20240167756
    Abstract: A refrigerator includes a refrigerator body and a door body. In a case where the door body is opened from a closed state to a first state, a first hinge shaft moves from a first positioning position to a second positioning position along a first positioning trajectory line with respect to a first trajectory slot, and a second hinge shaft moves from a first guiding position to a second guiding position along a first guiding trajectory line with respect to a second trajectory slot. In a case where the door body continues to be opened from the first state to a second state, the first hinge shaft moves from the second positioning position to a third positioning position along a second positioning trajectory line, the second hinge shaft moves from the second guiding position to a third guiding position along a second guiding trajectory line.
    Type: Application
    Filed: January 25, 2024
    Publication date: May 23, 2024
    Applicant: HISENSE REFRIGERATOR CO., LTD.
    Inventors: Chun YANG, Yufeng BAO, Xiangping ZHANG, Haiyan WANG, Dong GUO
  • Substituted phenylpiperazinyl aralkylalcohol derivatives, pharmaceutical compositions containing such derivatives and uses thereof
    Patent number: 8778948
    Abstract: The invention relates to a substituted phenylpiperazine aryl alkanol derivative represented by the following general formula and its salt and hydrate, wherein C1 and C2 represent chiral carbon atoms, and the compound is one of the six isomers: (1RS, 2SR), (1RS, 2RS), (1R, 2S), (1S, 2S), (1R, 2R) or (1S, 2R); and R, R1, R2, R3 and Ar are as defined in the specification. The derivative is non-opioid analgesic, has good analgesic effect and relatively small side effects. The invention also relates to a composition comprising the derivative and its use.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: July 15, 2014
    Assignee: NHWA Pharma, Corporation
    Inventors: Jianqi Li, Guan Wang, Guisen Zhang, Xiangping Yang, Peng Xie, Linjie Zhang, Xiangqing Xu, Yumei Wang
  • Process for the manufacture of agomelatine and its intermediate
    Patent number: 8653281
    Abstract: A process for the manufacture of agomelatine and its intermediate N-[2-(7-methoxy- 1-naphthy)ethyl]phthalimide is provided and inclues reacting 7-methoxy-1-naphthyl ethanol (III) with benzenesulfonyl chloride to obtain 7-methoxy-1 -naphthylethyl benzene sulfonate (IV), which is reacted with potassium phthalimide to produce N-[2-(7-methoxy-1-naphthy)ethyl]phthalimide (II); and subjecting N-[2-(7-methoxy-1-naphthy)ethyl]phthalimide (II) to alkaline hydrolysis and acetylation, to obtain agomelatine.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: February 18, 2014
    Assignee: NHWA Pharma. Corporation
    Inventors: Guisen Zhang, Daopeng Chen, Yanqin Ma, Xiangping Yang, Shixia Zhou, Liang Chen
  • Use of aryl piperazine derivatives in manufacturing medicants for treating pain
    Patent number: 8420652
    Abstract: The use of aryl piperazines of formula (I) in manufacturing a medicament for treating acute pain, neuropathic pain or receptive nociceptive pain in mammals including human beings is disclosed.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: April 16, 2013
    Assignee: NHWA Pharma Corporation
    Inventors: Guisen Zhang, Lin Guo, Xiangping Yang, Xiangqing Xu, Jianqi Li, Guan Wang, Yanqin Ma, Shuming Hu, Shicheng Liu, Shixia Zhou
  • Substituted Phenylpiperazinyl Aralkylalcohol Derivatives, Pharmaceutical Compositions Containing Such Derivatives and Uses Thereof
    Publication number: 20110294822
    Abstract: The invention relates to a substituted phenylpiperazine aryl alkanol derivative represented by the following general formula and its salt and hydrate, wherein C1 and C2 represent chiral carbon atoms, and the compound is one of the six isomers: (1RS, 2SR), (1RS, 2RS), (1R, 2S), (1S, 2S), (1R, 2R) or (1S, 2R); and R, R1, R2, R3 and Ar are as defined in the specification. The derivative is non-opioid analgesic, has good analgesic effect and relatively small side effects. The invention also relates to a composition comprising the derivative and its use.
    Type: Application
    Filed: December 22, 2009
    Publication date: December 1, 2011
    Applicant: NHWA PHARMA. CORPORATION
    Inventors: Jianqi Li, Guan Wang, Guisen Zhang, Xiangping Yang, Peng Xie, Linjie Zhang, Xiangqing Xu, Yumei Wang
  • PROCESS FOR THE MANUFACTURE OF AGOMELATINE AND ITS INTERMEDIATE
    Publication number: 20110130571
    Abstract: A process for the manufacture of agomelatine and its intermediate N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide is provided and includes reacting 7-methoxy-1-naphthyl ethanol (III) with benzenesulfonyl chloride to obtain 7-methoxy-1-naphthylethyl benzene sulfonate (IV), which is reacted with potassium phthalimide to produce N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide (II); and subjecting N-[2-(7-methoxy-1-naphthyl)ethyl]phthalimide (II) to alkaline hydrolysis and acetylation, to obtain agomelatine.
    Type: Application
    Filed: July 23, 2009
    Publication date: June 2, 2011
    Inventors: Guisen Zhang, Daopeng Chen, Yanqin Ma, Xiangping Yang, Shixia Zhou, Liang Chen
  • USE OF ARYL PIPERAZINE DERIVATIVES IN MANUFACTURING MEDICANTS FOR TREATING PAIN
    Publication number: 20100331340
    Abstract: The use of aryl piperazines of formula (I) in manufacturing a medicament for treating acute pain, neuropathic pain or receptive nociceptive pain in mammals including human beings is disclosed.
    Type: Application
    Filed: January 15, 2009
    Publication date: December 30, 2010
    Inventors: Guisen Zhang, Lin Guo, Xiangping Yang, Xiangqing Xu, Jianqi Li, Guan Wang, Yanqin Ma, Shuming Hu, Shicheng Liu, Shixia Zhou