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:
Oct. 13, 2009
Filed:
Jan. 18, 2007
Applicant:
Rashida A. Karmali, Brooklyn, NY (US);
Inventor:
Rashida A. Karmali, Brooklyn, NY (US);
Assignee:
SavviPharm Inc, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 475/08 (2006.01); A61K 31/519 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention is in the field of chemical restructuring of antimetabolite agents known to have poor oral bioavailability and to cause tissue toxicity as a side effect, by producing their orotate derivatives. More particularly, it concerns orotate derivatives of the methotrexate and trimetrexate, that are found to improve the oral bioavailability and clearance compared with their respective forms—methotrexate and trimetrexate, currently in use. The present invention provides methotrexate orotate having the formula: