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:
Apr. 23, 2002
Filed:
Apr. 06, 1999
Wataru Hiraishi, Takamatsu, JP;
Shunji Ohishi, Takamatsu, JP;
Kyowa Chemical Industry Co., Ltd., Takamatsu, JP;
Abstract
A process for the production of coupling agent-treated inorganic particles, which process is excellent in surface-treatment uniformity and uses a coupling agent at high coefficient of utilization, the process comprising adding a solution of a coupling agent into an aqueous suspension of inorganic particles with stirring and, after the mixing with stirring, heat-drying the resultant suspension without dehydration by filtration and concentration, and a synthetic resin composition containing the above particles and having excellent properties.
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