Back to results
US 2011/0034523 A1Published application
Crystalline forms of rufinamide
AssigneeDipharma Francis S.R.L.
InventorsGabriele RAZZETTI, Chiara VLADISKOVIC, Pietro ALLEGRINI
Life of this patent
Estimating the term…
Abstract
Disclosed is a crystalline form of rufinamide selected from: a substantially anhydrous and approximately monosolvated with trifluoroacetic acid crystalline form, hereinafter designated as Form α, and a crystalline form, hereinafter designated as Form β, characterised by an XRPD spectrum as shown in FIG. 3, wherein the most intense peaks fall at 4.5, 9.0, 13.5, 18.0, 18.8, 19.5, 20.6, 24.6, 25.7, 26.5, 27.4, 27.9, 28.7, 30.0 and 31.8±0.2° in 2θ.
Claims13
A crystalline form of rufinamide selected from:
- a substantially anhydrous and approximately monosolvated with trifluoroacetic acid crystalline form, hereinafter designated as Form α;
- and
- a crystalline form, hereinafter designated as Form β, characterised by an XRPD spectrum as shown in FIG. 3, wherein the most intense peaks fall at 4.5, 9.0, 13.5, 18.0, 18.8, 19.5, 20.6, 24.6, 25.7, 26.5, 27.4, 27.9, 28.7, 30.0 and 31.8±0.2° in 2θ.
Dependencies are inferred from the claim text.