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:
Nov. 16, 2021
Filed:
Nov. 02, 2017
Applicant:
Zeon Corporation, Tokyo, JP;
Inventors:
Assignee:
ZEON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/10 (2006.01); B29C 41/00 (2006.01); B29C 41/14 (2006.01); C09J 5/00 (2006.01); C09J 11/08 (2006.01); C09J 109/10 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/10 (2013.01); B29C 41/003 (2013.01); B29C 41/14 (2013.01); C09J 5/00 (2013.01); C09J 11/08 (2013.01); C09J 109/10 (2013.01); B29K 2105/0064 (2013.01); C08L 2201/52 (2013.01); C09J 2409/00 (2013.01); C09J 2493/00 (2013.01);
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.