Patent · US Active

Salts and crystalline forms of a PD-1/PD-L1 inhibitor

US11866451B2 · kind B2 · utility

5Cited by
50References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 10, 2020
Grant dateJan 9, 2024
Priority date
Expiry dateMay 7, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2602/42
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This application relates to solid forms and salt forms of the PD-1/PD-L1 inhibitor 4,4′-(((((2,2′-dichloro-[1,1′-biphenyl]-3,3′-diyl)bis(azanediyl))bis(carbonyl))bis(1-methyl-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridine-2,5-diyl))bis(ethane-2,1-diyl))bis(bicyclo[2.2.1]heptane-1-carboxylic acid), including processes of preparation thereof, where the solid forms and salt forms are useful in the treatment of various diseases including infectious diseases and cancer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.