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.:
Date of Patent:
Feb. 21, 2017
Filed:
Oct. 27, 2014
Applicant:
Cyclacel Limited, London, GB;
Inventors:
Benjamin Mark Skead, Cambridge, GB;
Christopher Peter Worrall, Northwich, GB;
Jonathan Charles Christian Atherton, Durham, GB;
Julian Scott Northen, South Shields, GB;
Philippe Fernandes, Sunderland, GB;
Assignee:
Cyclacel Limited, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 473/00 (2006.01); C07D 473/16 (2006.01); G01F 1/115 (2006.01); G01P 3/48 (2006.01); G01P 5/07 (2006.01); A61K 31/52 (2006.01); C07C 51/41 (2006.01); C07C 57/145 (2006.01); C07C 57/15 (2006.01); C07C 59/245 (2006.01); C07C 59/255 (2006.01); C07C 59/265 (2006.01); C07C 65/05 (2006.01); C07C 303/32 (2006.01); C07C 309/04 (2006.01); C07C 309/29 (2006.01);
U.S. Cl.
CPC ...
C07D 473/16 (2013.01); A61K 31/52 (2013.01); C07C 51/412 (2013.01); C07C 57/145 (2013.01); C07C 57/15 (2013.01); C07C 59/245 (2013.01); C07C 59/255 (2013.01); C07C 59/265 (2013.01); C07C 65/05 (2013.01); C07C 303/32 (2013.01); C07C 309/04 (2013.01); C07C 309/29 (2013.01); G01F 1/115 (2013.01); G01P 3/4802 (2013.01); G01P 5/07 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to new crystalline forms of a purine derivative which exhibits excellent anti-tumor activity. The invention also relates to a pharmaceutical composition containing said crystalline forms as an active ingredient, and use thereof in the prevention or treatment of disease. The invention further relates to a process for preparing the crystalline forms.