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:
Feb. 07, 2012
Filed:
Nov. 15, 2007
Hideshi Yanagi, Kodaira, JP;
Narukuni Hirata, Kodaira, JP;
Haruki Minoshima, Kodaira, JP;
Daisuke Sugio, Kodaira, JP;
Hideshi Yanagi, Kodaira, JP;
Narukuni Hirata, Kodaira, JP;
Haruki Minoshima, Kodaira, JP;
Daisuke Sugio, Kodaira, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A sealing agent stock solutionis prepared by preparing a mixed solutionby mixing a rubber latex, a resin emulsion and a surfactant, and a predetermined amount of water in a solution preparation vessel, followed by adding an anti-freeze agentto the mixed solution. The sealing agent stock solutionis held (left standing still) at least over for 24 hr or more and preferably over for 48 hr or more without stirring in the solution preparation vessel, followed by filtering the sealing agent stock solutionwith a filter membermade of a mesh filter having the mesh number from 50 to 400 mesh to remove latex aggregatesgenerated in the sealing agent stock solution, and thereby a sealing agentthat does not contain the latex aggregatesis produced.