US Patent 7834138 Segmented polymers and their conjugates

Patent 7834138 was granted and assigned to Nektar (pulminary therapeutics business unit) on November, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Nektar (pulminary therapeutics business unit)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78341380

Patent Inventor Names

Zhihao Fang0

Michael D. Bentley0

Tony L. Sander0

Xiaoming Shen0

Antoni Kozlowski0

Date of Patent

November 16, 2010

Patent Application Number

114023500

Date Filed

April 11, 2006

Patent Primary Examiner

‌

Gregory Listvoyb

Patent abstract

Segmented water soluble polymers, containing a higher molecular weight segment linked to a lower molecular weight segment, are described. In one embodiment, the polymer segments are poly(ethylene glycol) segments. The segmented polymers are functionalized and are useful for conjugation to various moieties such as pharmacologically active substances. Also described are conjugates of such polymers and methods of their preparation.