Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2011-04-05
2011-04-05
Eashoo, Mark (Department: 1767)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S545000, C524S546000, C524S556000
Reexamination Certificate
active
07919557
ABSTRACT:
An aqueous coating composition which has a low content of an organic solvent, whereby a burden on an environment is small; in which an increase of the molecular weight, gelation, etc. are suppressed; which performs excellent storage stability and provides a coating film having good water permeability/water which composition is obtained by dispersing a fluorocopolymer (A) obtained by solution polymerization in an aqueous medium, and which comprises a repeating unit (1) of fluoroolefin, a repeating unit (2) of a vinyl or allyl monomer, a repeating unit (3) of a vinyl or allyl monomer having a hydroxyl group bonded thereto, and a unit (4) of a vinyl or allyl monomer having a carboxylate group bonded thereto, and which comprises a fluorocopolymer (A) wherein a proportion of the repeating unit (4) is from 0.4 mol % to less than 4 mol % based on the total repeating units, and an aqueous medium, wherein an amount of an organic solvent contained in the composition is from 0 to 1 mass %.
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Kimura Isao
Morizumi Takashi
Sumi Naoko
Asahi Glass Company Limited
Buie-Hatcher Nicole M
Eashoo Mark
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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