Patent ID: 11958917
Assignee: BEREN THERAPEUTICS P.B.C.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC C

Claim 0:
1. A composition comprising a mixture of isomerically-purified hydroxypropyl β-cyclodextrin molecules comprising:
β-cyclodextrin substituted with eight hydroxypropyl groups (“DS-8”);
β-cyclodextrin substituted with nine hydroxypropyl groups (“DS-9”);
β-cyclodextrin substituted with ten hydroxypropyl groups (“DS-10”);
β-cyclodextrin substituted with eleven hydroxypropyl groups (“DS-11”);
β-cyclodextrin substituted with twelve hydroxypropyl groups (“DS-12”);
β-cyclodextrin substituted with thirteen hydroxypropyl groups (“DS-13”); and
β-cyclodextrin substituted with fourteen hydroxypropyl groups (“DS-14”),
wherein the composition comprises less than 1% β-cyclodextrin substituted with seven hydroxypropyl groups (“DS-7”), and wherein the composition comprises no more than 1 ppm propylene oxide.