US 11,718,754 B2
Poly(sarcosine) polymer excipients
Bradford T. Sullivan, Clearwater, FL (US); and Kevin N. Sill, Tampa, FL (US)
Assigned to CALUSA BIO, LLC, Tampa, FL (US)
Filed by CALUSA BIO, LLC, Tampa, FL (US)
Filed on Nov. 11, 2022, as Appl. No. 17/985,428.
Claims priority of provisional application 63/263,900, filed on Nov. 11, 2021.
Prior Publication US 2023/0142999 A1, May 11, 2023
Int. Cl. C08L 89/00 (2006.01)
CPC C08L 89/00 (2013.01) 24 Claims
 
1. A composition, comprising:
(i) a polymer of Formula II:

OG Complex Work Unit Chemistry
or a salt thereof, wherein:
R is a (C12-C20) hydrophobic aliphatic group; and
x is 5-50; and
(ii) a protein.