Compositions – Leather or fur treating
Reexamination Certificate
2005-03-29
2005-03-29
Thexton, Matthew A. (Department: 1714)
Compositions
Leather or fur treating
C252S008620, C523S169000, C524S805000, C526S243000, C526S245000, C526S246000, C526S247000, C526S248000, C526S249000, C526S250000, C526S252000
Reexamination Certificate
active
06872324
ABSTRACT:
An aqueous dispersion comprising a polymer (a) having a repeating unit (A) which comprises four carbon atoms connected in a linear chain and which has one double bond at the second position and a polyfluoroalkyl group bonded to an arbitrary carbon atom, and a surfactant (B) having a hydrophile-lipophile balance of at least 10, wherein the polymer (a) is dispersed in an aqueous medium by the surfactant (B).
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Hoshino Taiki
Maekawa Takashige
Seki Ryuji
Shimada Minako
Asahi Glass Company Limited
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Thexton Matthew A.
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