US 7,560,588 B2Granted

Poly(ethylene glycol) containing chemically disparate endgroups

AssigneeIntezyne Technologies, Inc.

InventorsKurt Breitenkamp, Kevin N. Sill, Habib Skaff

Life of this patent

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Abstract

The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof.

Claims22

Dependent claims

A compound selected from any of the following formulae:

or salt thereof, wherein:
each n is independently 10-2500.

Dependencies are inferred from the claim text.

Facts

Application: 11/796,385Filed 27 Apr 2007 · us provisional application
Priority: 27 Apr 2006
Published: US 2008/0207913 A128 Aug 2008
Granted: 14 Jul 2009
Term ends: Not estimatedThe source records don’t support an estimate.

Classification40 codes

C07C 247/04
With azido groups bound to acyclic carbon atoms of a carbon skeleton: being saturated
A61K 47/34
Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates: macromolecular compounds obtained otherwise than by reactions only…
C07C 217/08
Having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is not further substituted: the oxygen atom of…
C07C 217/84
Of the same non-condensed six-membered aromatic ring: the oxygen atom of at least one of the etherified hydroxy groups being further bound to an…

Family

Application60/795,412Us provisional application · filed 27 Apr 2006
US 2008/0207913 A1Pre-grant publication · published 28 Aug 2008
US 7,560,588 B2This patent

From the US filing history. Foreign family members aren’t listed.

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