US Patent 7,951,880
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
The methods and compositions disclosed herein describes a solution containing at least one block co-polymer that is a liquid at lower temperatures and transitions to a gel at higher temperatures. The compositions are useful, for example, as an alternative to saline or silicone-gel as fillers for prostheses.
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Lim, Tae-hong; Park, Joon B; Lee, Jin Whan; Yang, Seok-jo; Kim, Jaehyun; and Cho, Jin Cheol Compositions for breast implant filling and methods of use. US Patent 7,951,880 filed December 12, 2005 and issued May 31, 2011. https://ir.uiowa.edu/patents/540