Patent · US Active

Composition comprising highly-concentrated α1 proteinase inhibitor and method for obtaining thereof

US11701412B2 · kind B2 · utility

0Cited by

6References

13Claims

0Family size

Assignee

GRIFOLS WORLDWIDE OPERATIONS LIMITED · IE

Inventors

James Rebbeor · Garner, US
Charles Miller · Apex, US
Anthony Klos · Raleigh, US
Eric Allgaier · Wake Forest, US
Thomas P. Zimmerman · Raleigh, US
Kevin Wee · Wake Forest, US
Michelle StPeter · Garner, US
Kelly Glancy · Holly Springs, US

Key dates

Filing date	Sep 22, 2021
Grant date	Jul 18, 2023
Priority date	—
Expiry date	Sep 22, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/0073
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Compositions include highly-concentrated Alpha-1 Proteinase Inhibitor (A1PI) in a concentration greater than or equal to 100 mg/ml. Pharmaceutical compositions can be prepared from these compositions. The pharmaceutical compositions can be suitable for subcutaneous administration. The highly-concentrated A1PI solutions can be obtained by single-pass tangential flow filtration (SPTFF).

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