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:
Jun. 03, 2025
Filed:
Sep. 01, 2020
Applicant:
Maruzen Petrochemical Co., Ltd., Chuo-ku, JP;
Inventors:
Shinji Sugihara, Fukui, JP;
Masahiro Endo, Ichihara, JP;
Assignee:
MARUZEN PETROCHEMICAL CO., LTD., Chuo-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 275/00 (2006.01); C08F 226/10 (2006.01); C08F 230/02 (2006.01); C08F 257/02 (2006.01); C08F 263/04 (2006.01);
U.S. Cl.
CPC ...
C08F 275/00 (2013.01); C08F 226/10 (2013.01); C08F 230/02 (2013.01); C08F 257/02 (2013.01); C08F 263/04 (2013.01);
Abstract
A core-shell type polymeric particle may exhibit good dispersibility in an aqueous medium and excellent flame retardance. A core-shell type polymeric particle may include a core including a hydrophobic polymer (c) and a shell including a copolymer having a repeating unit (a) derived from vinyl phosphonic acid or a vinyl phosphonic acid ester and a repeating unit (b) of formula (α): wherein Ris H or a methyl group, Ris a single bond or a carbonyl group, and ring Qis a substituted or unsubstituted 4 to 10 membered nitrogen-containing heterocycle.