Jiashu Zhang from Los Angeles, CA

Method Of Producing Betaine Compound
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US Patent:

7005543, Feb 28, 2006
Filed:

Jul 9, 2004
Appl. No.:

10/888741
Inventors:

Jiashu Zhang - Diamond Bar CA, US
International Classification:

C07C 229/00
US Classification:

562575
Abstract:

A process for preparing Anhydrous Betaine and Betaine Hydrochloride comprises treating a chloroacetic acid with sodium carbonate, and then dropping liquid trimethylamine to obtain Betaine products, wherein ion exchange resin and decompression process are utilized to assure the product having high purity and yield rate.

Creatinol O-Phosphate And Synthesis Method Thereof
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US Patent:

20110105786, May 5, 2011
Filed:

Nov 2, 2009
Appl. No.:

12/590140
Inventors:

Guoji Zhang - Tianjin, CN
Jiashu Zhang - Diamond Bar CA, US
International Classification:

C07F 9/06
C07C 277/00
US Classification:

562 11, 564241
Abstract:

A creatinol O-phosphate is formed by chemically reacting a creatinol sulfate of creatinol compound with sulfuric acid to form a protected creatinol sulfate as a transition state of the synthesis process of the creatinol O-phosphate, wherein the protected creatinol is further reacted with one of PO, CIPOH, and POClto form the creatinol O-phosphate. The method of producing the protected creatinol sulfate includes a step of adding sulfuric acid into a creatinol sulfate to form a protected creatinol sulfate as the protected functional group. Therefore, the creatinol O-phosphate is formed by the process including the steps of chemically reacting the protected creatinol sulfate with one of POCl, CIPOOH, and POto form a creatinol O-phosphate solution; and crystallizing the creatinol O-phosphate solution to obtain crystallized creatinol O-phosphate.

Creatinol Sulfate And Synthesis Method Thereof
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US Patent:

20110105797, May 5, 2011
Filed:

Nov 2, 2009
Appl. No.:

12/590139
Inventors:

Guoji Zhang - Tianjin, CN
Jiashu Zhang - Diamond Bar CA, US
International Classification:

C07C 277/02
US Classification:

564241
Abstract:

A chemical compound of creatinol sulfate is formed by chemically reacting N-methyl-amino-ethanol, cyanamide, with sulfuric acid to produce the creatinol sulfate with relatively higher yield rate and purity, wherein the mol ratio of N-methyl-amino-ethanol, sulfuric acid, and cyanamide is approximately 2:1:2.

Method Of Producing N, N-Dimethyl Glycine Hydrochloride
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US Patent:

6875890, Apr 5, 2005
Filed:

Jun 29, 2004
Appl. No.:

10/881564
Inventors:

Jiashu Zhang - Diamond Bar CA, US
International Classification:

C07C205/00
US Classification:

562553, 562400, 562512, 562575
Abstract:

A process for preparing N,N-Dimethyl Glycine Hydrochloride, comprises treating a chloroacetic acid with aqueous dimethylamine, and then dropping by hydrochloric acid to obtain N,N-dimethyl glycine as well as its hydrochloride salt, wherein decompression process is utilized to assure the product purity and active carbon is employed for cost saving aspect.

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MIS3525 Babson College.

Authors: Chao Huang, Xian Wu, Xuchao Zhang, Chuxu Zhang, Jiashu Zhao, ...

Join Zhang Xin, co-founder and CEO of SOHO China, in discussion with D...

Jiashu Zhang