The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2005
Filed:
Oct. 15, 2002
Hiroshi Higuchi, Chichibu, JP;
Nobuyuki Kataoka, Chichibu, JP;
Atsushi Nanba, Chichibu, JP;
Keiji Kobayashi, Funabashi, JP;
Manabu Hasegawa, Edogawa-ku, JP;
Yoshinori Saito, Ichikawa, JP;
Hiroshi Higuchi, Chichibu, JP;
Nobuyuki Kataoka, Chichibu, JP;
Atsushi Nanba, Chichibu, JP;
Keiji Kobayashi, Funabashi, JP;
Manabu Hasegawa, Edogawa-ku, JP;
Yoshinori Saito, Ichikawa, JP;
Bridgestone Sports Co., Ltd., Tokyo, JP;
Nihon Joryu Kogyo Co., Ltd., Chiba, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
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.