Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Reexamination Certificate
2005-06-28
2005-06-28
Zalukaeva, Tatyana (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
C521S028000, C524S104000, C524S251000, C524S354000, C524S356000, C524S376000, C524S379000, C524S389000, C524S544000, C526S245000, C526S250000, C526S255000
Reexamination Certificate
active
06911482
ABSTRACT:
An ion exchange fluorocarbon resin precursor composition obtained by removing liquid components from a mixed solution of a dispersion of an ion exchange fluorocarbon resin precursor and a dispersion of tetrafluoroethylene polymer (PTFE).
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Hasegawa Takuya
Nakayama Yoshimichi
Asahi Kasei Kabushiki Kaisha
Birch & Stewart Kolasch & Birch, LLP
Zalukaeva Tatyana
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