Granted Patent
B2
US 9,308,274 · App. 14/281,411 · Granted Apr 12, 2016
Stabilized polymeric thiol reagents
Assignee:
NEKTAR THERAPEUTICS
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Abstract
Disclosed are water soluble polymeric thiol reagents. Also disclosed are uses for the polymeric thiol reagents and methods for preparing the polymeric thiol reagents.
Claims (6)
1. A compound having the following structure:
wherein (n) is from about 12 to about 4000.
2. The compound of claim 1 , wherein (n) is from about 15 to about 2000.
3. The compound of claim 2 , wherein (n) is from about 20 to about 1000.
4. The compound of claim 3 , wherein (n) is from about 25 to about 750.
5. The compound of claim 4 , wherein (n) is from about 30 to about 500.
Assignments (4)
RELEASE OF SECURITY INTEREST
Recorded Apr 17, 2020
From: TC LENDING, LLC, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 053180/0009 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL 33105, FRAME 0898
Recorded Oct 14, 2015
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 036855/0524 →
GRANT OF SECURITY INTEREST IN UNITED STATES PATENTS
Recorded Oct 6, 2015
From: NEKTAR THERAPEUTICS
To: TC LENDING, LLC, AS COLLATERAL AGENT
Reel/Frame 036796/0562 →
SECURITY INTEREST
Recorded Jun 9, 2014
From: NEKTAR THERAPEUTICS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 033105/0898 →
Continuity (7)
Provisional Application
60705968
· Aug 4, 2005
Provisional Application
60639823
· Dec 21, 2004