Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Reexamination Certificate
2005-10-18
2005-10-18
Chang, Celia (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C524S398000, C473S372000
Reexamination Certificate
active
06956128
ABSTRACT:
A zinc acrylate particle composition which is substantially fine and, even when kneaded with a rubber composition, is capable of being uniformly dispersed and kneaded in a state very rarely inducing fast adhesion or agglomeration, a method for the production thereof, and a golf ball using the composition are provided. The zinc acrylate particle composition contemplated by this invention comprises zinc acrylate satisfying the conditions that the proportion accounted for by the zinc acrylate particles measuring not less than 300 μm in particle size as determined by the dry type method be not more than 20% by mass of all the particles, that the median of particle sizes as determined by the dry type method be in the range of 10-300 μm, and that the ratio of the median (A) of particle sizes as determined by the dry type method to the median (B) of particle sizes as determined by the wet type method exceed 2, and an anionic surfactant.
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Hasegawa Manabu
Higuchi Hiroshi
Kataoka Nobuyuki
Kobayashi Keiji
Nanba Atsushi
Bridgestone Sports Co. Ltd.
Chang Celia
Nihon Joryu Kogyo Co., Ltd.
Nippon Shokubai Co. , Ltd.
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