Invention Application
- Patent Title: PROTEIN PURIFICATION METHODS TO REDUCE ACIDIC SPECIES
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Application No.: US15951560Application Date: 2018-04-12
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Publication No.: US20190062419A1Publication Date: 2019-02-28
- Inventor: Natarajan RAMASUBRAMANYAN , Lihua YANG , Matthew Omon HERIGSTAD , Hong YANG , Christopher CHUMSAE
- Applicant: AbbVie Inc.
- Applicant Address: US IL North Chicago
- Assignee: AbbVie Inc.
- Current Assignee: AbbVie Inc.
- Current Assignee Address: US IL North Chicago
- Main IPC: C07K16/24
- IPC: C07K16/24 ; C07K1/18 ; C12P21/00 ; C07K16/00 ; C07K1/20 ; C07K1/16 ; C07K1/22 ; A61K39/395

Abstract:
The instant invention relates to the field of protein production and purification, and in particular to compositions and processes for controlling the amount of charge variants, aggregates, and fragments of a protein of interest, as well as host cell proteins, present in purified preparations by applying particular chromatography conditions during such protein purification.
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