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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9505704 B1

PDFFull Text
Expired
Date of Patent:
Nov. 29, 2016

Filed:

Nov. 06, 2015

Intermediate for synthesizing treprostinil diethanolamine and method for preparing the same

Applicant:

Everlight Chemical Industrial Corporation, Taipei, TW;

Inventors:

Shijay Gao, Taoyuan County, TW;

Chia-Chung Tsai, Taoyuan County, TW;

Tsai-Yung Chou, Taoyuan County, TW;

Yu-Min Chiang, Taoyuan County, TW;

Chi-Hsiang Yao, Taoyuan County, TW;

Assignee:

EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION, Taipei, TW;

Attorney:

Bacon & Thomas, PLLC

Primary Examiner:

Yevegeny Valenrod

Assistant Examiner:

Blaine G Doletski

Int. Cl.
CPC ...
C07C 69/76 (2006.01); C07C 69/757 (2006.01); C07D 307/92 (2006.01); C07C 45/59 (2006.01); C07C 45/62 (2006.01); C07C 41/28 (2006.01); C07C 51/09 (2006.01); C07C 213/08 (2006.01); C12P 13/00 (2006.01); C07C 67/31 (2006.01); C07C 37/055 (2006.01); C07C 69/16 (2006.01); C12P 7/62 (2006.01); C07C 39/17 (2006.01); C07C 41/26 (2006.01); C07C 43/23 (2006.01); C07C 51/38 (2006.01); C07C 59/72 (2006.01);
U.S. Cl.
CPC ...
C07C 69/757 (2013.01); C07C 37/055 (2013.01); C07C 39/17 (2013.01); C07C 41/26 (2013.01); C07C 41/28 (2013.01); C07C 43/23 (2013.01); C07C 45/59 (2013.01); C07C 45/62 (2013.01); C07C 51/09 (2013.01); C07C 51/38 (2013.01); C07C 59/72 (2013.01); C07C 67/31 (2013.01); C07C 69/16 (2013.01); C07C 213/08 (2013.01); C07D 307/92 (2013.01); C12P 7/62 (2013.01); C12P 13/001 (2013.01); C07C 2102/10 (2013.01); C07C 2103/14 (2013.01);
Abstract

The present invention relates to a method for treprostinil diethanolamine synthesis. The present invention also relates to a novel intermediate used in the method for treprostinil diethanolamine synthesis. The novel intermediate is shown in the following formula (II): wherein R1 and R2 are described in the description.

Find Patent Forward Citations

Quick Actions:

Gao, Shijay. (2016). Intermediate for synthesizing treprostinil diethanolamine and method for preparing the same (U.S. Patent No. 9505704). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9505704

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