Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-07-19
1991-10-15
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
523106, 525276, 525937, C08F26504, C08F12028, C08F22028
Patent
active
050575856
ABSTRACT:
Hydrophilic gelled crosslinked polymers comprising as an essential constituent monomer component a (meth)acrylate ester monomer having a fluorine-substituted hydrocarbon group containing at least three fluorine atoms grafted thereto. The fluorine-containing polymers have excellent oxygen permeability, water swellability, wearing comfort and contamination resistance.
REFERENCES:
patent: 4216303 (1980-08-01), Novicky
patent: 4486577 (1984-12-01), Moeller et al.
patent: 4511209 (1985-04-01), Shutnik
patent: 4666991 (1987-05-01), Matsui et al.
Agou Tokinori
Kuwabara Masahiro
Sakashita Takeshi
Shimoda Tomoaki
Sudo Masaru
Marquis Melvyn I.
Mitsui Petrochemical Industries Ltd.
Sellers II Robert E. L.
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