Patent · US Active

Modified release compositions of a gamma-hydroxybutyric acid derivative

US11395801B2 · kind B2 · utility

6Cited by

0References

18Claims

0Family size

Assignee

XWPHARMA LTD. · KY

Inventors

Sami Karaborni · Cupertino, US
DANIEL M. CANAFAX · Rue de l'Église, US
Jia-Ning Xiang · Palo Alto, US
WILLIAM W. XIANG · Fremont, US
JAMES TIEN · Taoyuan, TW
Stefanie Thiel · Binzen, DE
Norbert Pollinger · Binzen, DE
Annette Grave · Binzen, DE

Key dates

Filing date	Oct 5, 2021
Grant date	Jul 26, 2022
Priority date	—
Expiry date	Oct 5, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Pharmaceutical granulations having a functional coating surrounding a core containing 4-((L-valyl)oxy)butanoic acid are disclosed. The functional coatings provide for immediate release or modified release of 4-((L-valyl)oxy)butanoic acid. The pharmaceutical granulations can be used in oral pharmaceutical compositions.

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