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.

Date of Patent:
May. 24, 2022

Filed:

Jun. 29, 2018
Applicant:

Shandong Danhong Pharmaceutical Co., Ltd., Shandong, CN;

Inventors:

Yang Zhang, Shanghai, CN;

Wentao Wu, Shanghai, CN;

Zhixiang Li, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 219/26 (2006.01);
U.S. Cl.
CPC ...
C07C 219/26 (2013.01); C07B 2200/13 (2013.01); C07C 2603/80 (2017.05);
Abstract

The present invention relates to a crystal form and an amorphous form of dezocine analogue hydrochloride, and in particularly, to a crystal form of a compound represented by formula (I) and an amorphous form of a compound represented by formula (II). An X-ray powder diffraction spectrum of the crystal form comprises characteristic peaks at 2θ values of 13.1°±0.2°, 16.8±0.2°, and 18.5±0.2°, and an X-ray powder diffraction spectrum of the amorphous form is shown in FIG.


Find Patent Forward Citations

Loading…