Back to results
US 2026/0242386 A1Published application
Solid state forms of dibuprenorphine ethyl ether and process for preparation thereof
AssigneeTapi Czech Industries S.R.O
InventorsZuzana Przeczkova, Adela Benysek Bartova, Pavel Kolesa, Leopold Bittner, Alexandr Jegorov
Life of this patent
Estimating the term…
Abstract
Solid state forms of Dibuprenorphine-ethyl-ether and Dibuprenorphine-ethyl-ether 2HCl are provided, as well as processes for the preparation thereof, and pharmaceutical compositions thereof.
Claims8
Crystalline Form I of Dibuprenorphine-ethyl-ether, which is characterized by data selected from one or more of the following:
- i. an XRPD pattern having peaks at 5.5, 9.1, 10.6, 14.9 and 16.3 degrees 2-theta±0.2 degrees 2-theta;
- or
- ii. an XRPD pattern as depicted in FIG. 1;
- or combinations of (i)-(ii).
1 more element
3-36. (canceled)
(canceled)
Dependencies are inferred from the claim text.