Thermoresponsive polymer and production method thereof

Details Thermoresponsive polymer and production method thereof Thermoresponsive polymer and production method thereof

2007-02-27

2010-12-07

Pezzuto, Helen L. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S303100, C526S310000, C526S312000

Reexamination Certificate

active

07847047

ABSTRACT:
A material which expresses its critical solution temperature even in an aqueous solution containing a buffer or salt, and at the same time, shows small variation width of the critical solution temperature even when concentration of salt or the like contained in water, a buffer liquid or the like is different, interacts with a substance such as a component in the living body and can therefore be used efficiently in the isolation of substances, is provided. A monomer represented by a formula (1) and a thermoresponsive polymer which contains said monomer as a polymerization component.

REFERENCES:
patent: 5631337 (1997-05-01), Sassi et al.
patent: 5883211 (1999-03-01), Sassi et al.
patent: 04-213311 (1992-08-01), None
patent: 2005/082538 (2005-03-01), None
patent: 97/40078 (1997-10-01), None
English Language Abstract of JP 2005-082538.
D. Ostrovskii et al, Raman Spectroscopic Characterization of Association and Thermoreversible Gelation in Aqueous Systems of Poly(N-acetamidoacrylamide), Macramolecules 1999, vol. 32, pp. 5552-5560, Aug. 7, 2000.
Howard et al., “Thermally Reversible Homopolymer Gel Systems,” Polymer Letters, vol. 2, pp. 1095-1096 (1964).
English translation of JP 4-213311 published Aug. 4, 1992.

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