Patent · US Active

Polymer protein microparticles

US11291636B2 · kind B2 · utility

1Cited by

34References

22Claims

0Family size

Assignee

REGENERON PHARMACEUTICALS, INC. · US

Inventors

Hunter Chen · New York, US
Scott Walsh · Tarrytown, US

Key dates

Filing date	Mar 6, 2017
Grant date	Apr 5, 2022
Priority date	—
Expiry date	Mar 6, 2037

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/1652
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Microparticles containing a core of therapeutic protein and a cortex of a biocompatible and biodegradable polymer, and methods of making and using the microparticles are provided. The extended release of a therapeutic protein from the microparticles in a physiological solution is demonstrated over an extended period of time.

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