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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 11491155 B1

PDFFull Text
Date of Patent:
Nov. 08, 2022

Filed:

Sep. 24, 2019

Salt of a pyrimido[6,1-a]isoquinolin-4-one compound

Applicant:

Verona Pharma Plc, Cardiff, GB;

Inventors:

Peter Lionel Spargo, Canterbury, GB;

Edward James French, Canterbury, GB;

Julian Scott Northen, South Shields, GB;

John Mykytiuk, Houghton-le-Spring, GB;

Assignee:

VERONA PHARMA PLC, Cardiff, GB;

Attorney:

MH2 Technology Law Group, LLP

Primary Examiner:

San Ming R Hui

Int. Cl.
CPC ...
A61K 31/513 (2006.01); C07D 471/04 (2006.01); A61K 9/00 (2006.01); A61K 31/185 (2006.01); A61K 31/519 (2006.01); A61K 45/06 (2006.01);
U.S. Cl.
CPC ...
A61K 31/513 (2013.01); A61K 9/0075 (2013.01); A61K 31/185 (2013.01); A61K 31/519 (2013.01); A61K 45/06 (2013.01); C07D 471/04 (2013.01); A61K 2300/00 (2013.01);
Abstract

The present invention relates to a pharmaceutically acceptable acid addition salt of: (i) 9,10-dimethoxy-2-(2,4,6-tri-methylphenylimino)-3-(N-carbamoyl-2-aminoethyl)-3,4,6,7-tetrahydro-2H-pyrimido[6,1-a]isoquinolin-4-one (RPL554); and (ii) ethane-1,2-disulfonic acid, ethanesulfonic acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, hydrochloric acid, hydrobromic acid, phosphoric acid or sulfuric acid.

Find Patent Forward Citations

Spargo, Peter. (2022). Salt of a pyrimido[6,1-a]isoquinolin-4-one compound (U.S. Patent No. 11491155). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11491155

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

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