Intellectual Property Office

Non-Confidential Disclosures

Alkylsulfonation of Cyclic and High Polymeric Phosphazenes

PSU Invention Disclosure No. 93-1195

Field of the Invention:

biomedical materials

Inventors:

H.R. Allcock, M.F. Welker, E.H. Klingenberg

Patent status:

Issued Patent No. 5,548,060

Background:

A method for the alkylsulfonation of polymeric and cyclic trimer phosphazenes that includes reacting the phosphazene with a sultone. This method can be used to prepare sulfonated phosphazenes that are useful as biomedical materials, membranes, reversibly cross-linkable polymers, surfactants, and polyelectrolytes

Contact:

Mr. Bradley A. Swope
Sr. Licensing Officer
Intellectual Property Office
The Pennsylvania State University
113 Technology Center
University Park, PA 16802-7000
Phone: (814) 863-5987
Fax: (814) 865-3591
E-mail: bradswope@psu.edu