Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshitaka Satoh0
Junji Kodemura0
Shunjin Aihara0
Date of Patent
November 16, 2021
0Patent Application Number
164652260
Date Filed
November 2, 2017
0Patent Primary Examiner
Patent abstract
A method for producing a polymer latex, includes a step of emulsifying a polymer solution of a synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer, in water in the presence of a rosin and/or a rosin metal salt, thereby obtaining an emulsified liquid, wherein the rosin and/or the rosin metal salt to be used have/has a total content rate of abietic acid, neoabietic acid and palustric acid, and salts thereof, of 5% by weight or less.
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