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
2008-11-07
2011-11-01
Buttner, David (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...
C525S127000, C525S130000, C525S440010, C525S440110, C525S440120, C525S440150, C525S457000, C473S378000
Reexamination Certificate
active
08048958
ABSTRACT:
An object of the present invention is to provide a golf ball comprising a core and a cover, wherein the cover is made from a cover composition containing, as a resin component,a thermoplastic polyurethane (A) anda polyisocyanate mixture (B) in which a polyisocyanate (b-1) having at least three isocyanate groups is dispersed in a thermoplastic resin (b-2) which does not substantially react with an isocyanate group; and wherein the cover composition has a slab hardness of more than 60 and not more than 75 in Shore D hardness, and the cover has the thickness of 2.5 mm or less.
REFERENCES:
patent: 3395109 (1968-07-01), Molitor et al.
patent: 3989568 (1976-11-01), Isaac
patent: 4123061 (1978-10-01), Dusbiber
patent: 4248432 (1981-02-01), Hewitt et al.
patent: 4347338 (1982-08-01), Torii et al.
patent: 5334673 (1994-08-01), Wu
patent: 6123628 (2000-09-01), Ichikawa et al.
patent: 6747100 (2004-06-01), Ichikawa et al.
patent: 6764415 (2004-07-01), Ichikawa et al.
patent: 6806323 (2004-10-01), Ichikawa et al.
patent: 6992145 (2006-01-01), Ichikawa et al.
patent: 7090799 (2006-08-01), Takesue et al.
patent: 2007/0129174 (2007-06-01), Higuchi
patent: 51-74726 (1976-06-01), None
patent: 2662909 (1997-06-01), None
patent: 11-178949 (1999-07-01), None
patent: 2002-336378 (2002-11-01), None
patent: 2002-336380 (2002-11-01), None
patent: 2002-336386 (2002-11-01), None
patent: 2005-253962 (2005-09-01), None
Hirau Tsutomu
Tarao Toshiyuki
Birch, Stewart, Kolasch and Birch LLP
Buttner David
SRI Sports Limited
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