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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 11883402 B1

PDFFull Text
Date of Patent:
Jan. 30, 2024

Filed:

Sep. 12, 2019

Crystalline forms of a quinazoline compound and its hydrochloride salts

Applicant:

Hanmi Pharmaceutical Co., Ltd., Gyeonggi-do, KR;

Inventors:

Jong Ouk Baek, Gyeonggi-do, KR;

Hee Cheol Kim, Gyeonggi-do, KR;

Tae Hee Ha, Gyeonggi-do, KR;

Kweehyun Suh, Gyeonggi-do, KR;

Guru Reddy, Irvine, CA (US);

Assignees:

Hanmi Pharmaceutical Co., Ltd., , KR;

Spectrum Pharmaceuticals, Inc., Irvine, CA (US);

Attorney:

Fox Rothschild LLP

Primary Examiner:

My-Chau T Tran

Int. Cl.
CPC ...
A61K 31/517 (2006.01); A61K 33/243 (2019.01); A61K 31/282 (2006.01); A61K 31/337 (2006.01); A61K 31/404 (2006.01); A61K 31/44 (2006.01); A61K 31/4439 (2006.01); A61K 31/475 (2006.01); A61K 31/506 (2006.01); A61K 31/513 (2006.01); A61K 31/519 (2006.01); A61K 31/52 (2006.01); A61K 31/655 (2006.01); A61K 31/7068 (2006.01); A61K 31/7072 (2006.01); A61K 31/7076 (2006.01); A61K 31/7105 (2006.01); A61K 38/17 (2006.01); A61K 39/395 (2006.01); C07D 401/12 (2006.01);
U.S. Cl.
CPC ...
A61K 31/517 (2013.01); A61K 31/282 (2013.01); A61K 31/337 (2013.01); A61K 31/404 (2013.01); A61K 31/44 (2013.01); A61K 31/4439 (2013.01); A61K 31/475 (2013.01); A61K 31/506 (2013.01); A61K 31/513 (2013.01); A61K 31/519 (2013.01); A61K 31/52 (2013.01); A61K 31/655 (2013.01); A61K 31/7068 (2013.01); A61K 31/7072 (2013.01); A61K 31/7076 (2013.01); A61K 31/7105 (2013.01); A61K 33/243 (2019.01); A61K 38/179 (2013.01); A61K 39/3955 (2013.01); C07D 401/12 (2013.01); C07B 2200/13 (2013.01);
Abstract

This patent document relates to the crystalline forms of a quinazoline compound and the hydrochloride salts thereof. More particularly, this patent document relates to a preparation method of the crystalline forms of 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)prop-2-en-1-one and its hydrochloride salts.

Find Patent Forward Citations

Quick Actions:

Baek, Jong. (2024). Crystalline forms of a quinazoline compound and its hydrochloride salts (U.S. Patent No. 11883402). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11883402

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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