The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 2021
Filed:
Dec. 07, 2017
Applicant:
Nektar Therapeutics, San Francisco, CA (US);
Inventors:
Mary J. Bossard, Madison, AL (US);
Cherie F. Ali, Burlingame, CA (US);
Xiaofeng Liu, Belmont, CA (US);
Deborah H. Charych, Albany, CA (US);
Yujun Wang, Fremont, CA (US);
Assignee:
Nektar Therapeutics, San Francisco, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 47/60 (2017.01); A61K 38/20 (2006.01); C07K 14/55 (2006.01);
U.S. Cl.
CPC ...
A61K 47/60 (2017.08); A61K 38/2013 (2013.01); C07K 14/55 (2013.01);
Abstract
Conjugates of an interleukin-2 ('IL-2') moiety and one or more nonpeptidic, water-soluble polymers are provided. Typically, the non-peptidic, water-soluble polymer is poly(ethylene glycol) or a derivative thereof. Also provided, among other things, are compositions comprising conjugates, methods of making conjugates, methods of administering compositions to an individual, nucleic acid sequences, expression systems, host cells, and methods for preparing IL-moieties.