IP Library Granted Patent US 9,226,970
Granted Patent B2
US 9,226,970 · App. 13/580,580 · Granted Jan 5, 2016

Oligomer modified diaromatic substituted compounds

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,226,970
App. No.
13/580,580
Granted
Jan 5, 2016
Kind
B2
Abstract

Disclosed are compounds comprising diaromatic substituted compound residues, namely the anti-viral (anti-HIV) drug delavirdine, covalently attached via a linkage to water-soluble, non-peptidic oligomers, specifically to poly(ethylene glycol) (PEG) oligomers. A compound of the invention, when administered by any of a number of administration routes, exhibits advantages over non-oligomer modified diaromatic substituted compounds.

Claims (15)

1. A compound having the following structure,

wherein n is an integer between 1 and 30, inclusive, and pharmaceutical salts thereof.

2. The compound of claim 1 , wherein n is an integer between 1 and 10.

3. A composition comprising (i) a compound of claim 1 , and (ii) a pharmaceutically acceptable excipient.

4. A composition of matter comprising a compound of claim 1 present in a dosage form.

5. A compound of claim 1 , wherein n is 1.

6. A compound of claim 1 , wherein n is 2.

7. A compound of claim 1 , wherein n is 3.

8. A compound of claim 1 , wherein n is 4.

9. A compound of claim 1 , wherein n is 5.

10. A compound of claim 1 , wherein n is 6.

11. A compound of claim 1 , wherein n is 7.

12. A compound of claim 1 , wherein n is 8.

13. A compound of claim 1 , wherein n is 9.

14. A compound of claim 1 , wherein n is 10.

Assignments (7)
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 30040, FRAME 0952 Recorded Oct 14, 2015
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 036855/0793 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL 31217, FRAME 0776 Recorded Oct 14, 2015
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 036876/0130 →
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 AGREEMENT Recorded Sep 16, 2013
From: NEKTAR THERAPEUTICS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 031217/0776 →
SECURITY AGREEMENT Recorded Mar 19, 2013
From: NEKTAR THERAPEUTICS
To: WELLS FARGO, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 030040/0952 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 29, 2012
From: RIGGS-SAUTHIER, JENNIFER; DENG, BO-LIANG
To: NEKTAR THERAPEUTICS
Reel/Frame 029372/0178 →