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. 14, 2015
Filed:
Nov. 07, 2011
Masayuki Hashimoto, Kyoto, JP;
Asako Ogasawara, Kyoto, JP;
Tadashi Kimura, Fukuoka, JP;
Kimiko Izumi, Fukuoka, JP;
Masayuki Hashimoto, Kyoto, JP;
Asako Ogasawara, Kyoto, JP;
Tadashi Kimura, Fukuoka, JP;
Kimiko Izumi, Fukuoka, JP;
Dai-Ichi Kogyo Seiyaku Co., Ltd., Kyoto, JP;
Nitto Chemical Co., Ltd., Tokyo, JP;
Abstract
As a manufacturing method of a stable coumarone-indene resin water-dispersed composition which does not use an organic solvent, can be applied to various resin compositions, enhance sticky and adhesive properties, water resistance, heat resistance, and compatibility, and achieve consideration of health and safety of operators, arrangement of a work environment, and cost reduction relating to exhaust gas treatment, a manufacturing method which includes a process of dispersing a coumarone-indene resin which contains 50% by weight or more of coumarone and indene in total as monomer-constituents and is in a solid form at an ordinary temperature in the presence of a surfactant by a wet milling and dispersing method is used.