Modified acrylic block copolymers for hydrogels and pressure...

Details Modified acrylic block copolymers for hydrogels and pressure... Modified acrylic block copolymers for hydrogels and pressure...

2009-02-27

2009-12-22

Wu, David (Department: 1796)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S244000, C525S280000, C526S317100, C526S319000

Reexamination Certificate

active

07635737

ABSTRACT:
A method of producing an acrylic block copolymer comprising hydrophobic poly (lower alkyl methoacrylate), hydrophilic poly (lower alkyl methacrylic acid), and hydrophobic poly (lower alkyl methacrylate).

REFERENCES:
Yao et al. “Association behavior of poly(methyl methacrylate-b-methacrylic acid-b-methyl methacrylate) in aqueous medium”, 2004, Polymer, vol. 45, pp. 2781-2791.

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