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:
Jun. 28, 2022
Filed:
Apr. 18, 2018
Medimmune Limited, Cambridge, GB;
Philip Wilson Howard, Cambridge, GB;
Stephen John Gregson, Cambridge, GB;
MEDIMMUNE LIMITED, Cambridge, GB;
Abstract
A compound of formula I and salts and solvates thereof, wherein: Rand Rare independently selected from H, R, OH, OR, SH, SR, NH, NHR, NRR', nitro, MeSn and halo; where R and R′ are independently selected from optionally substituted Calkyl, Cheterocyclyl and Caryl groups; Ris selected from H, R, OH, OR, SH, SR, NH, NHR, NRR′, nitro, MeSn and halo; R″ is a Calkylene group, which chain may be interrupted by one or more heteroatoms, e.g. O, S, NR(where Ris H or Calkyl), and/or aromatic rings, e.g. benzene or pyridine; Y and Y′ are selected from O, S, or NH; R, R, Rare selected from the same groups as R, Rand Rrespectively; Ris selected from OH, OR, where Ris Calkyl; and Ris a linker for connection to a cell binding agent.