Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2009-02-12
2011-11-08
Mullis, Jeffrey (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S178000, C525S183000, C206S000600
Reexamination Certificate
active
08053523
ABSTRACT:
A hydrogen tank liner material comprises a polyamide resin composition which comprises (A) a polyamide resin at 85-40 wt %, (B) a copolyamide at 5-30 wt % and (C) an impact-resistant material at 10-30 wt % with respect to the total weight of the polyamide resin composition. Preferably, the (B) copolyamide is PA6/66 and the (C) impact-resistant material is an acid-modified ethylene/α-olefin-based copolymer. A hydrogen tank liner material with excellent gas barrier properties and superior impact resistance even at low temperatures is obtained.
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Fukui Yasuharu
Katayama Tsutomu
Mizuno Motohiro
DLA Piper (LLP) US
Mullis Jeffrey
Toyota Jidosha & Kabushiki Kaisha
Ube Industries Ltd.
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