Patent · US Active

Crystalline naloxol-PEG conjugate

US9149539B1 · kind B1 · utility

0Cited by

10References

1Claims

0Family size

Assignees

ASTRAZENECA AB · SE
Nektar Therapeutics · US

Inventors

Bengt Leonard Aslund · Gately Drive, SE
Carl-Johan Aurell · Timrå, SE
Martin Bohlin · Stockholm, SE
Tesfai Sebhatu · Malung, SE
Bo Ingvar Ymén · Gately Drive, SE
Eric Thomas Healy · Waltham, US
David Richard Jensen · Waltham, US
David Jonaitis · Lafayette, US
Stephan D. Parent · West Lafayette, US

Key dates

Filing date	Mar 11, 2015
Grant date	Oct 6, 2015
Priority date	—
Expiry date	Mar 11, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Naloxol-polyethylene glycol conjugates of the formula:are provided in oxalate or phosphate salt forms including crystalline forms. Methods of preparing the salt forms and pharmaceutical compositions comprising the salt forms are also provided.

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