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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.:

US 11866525 B1

PDFFull Text
Date of Patent:
Jan. 09, 2024

Filed:

Sep. 13, 2019

Optically brightened latexes

Applicant:

Archroma Ip Gmbh, Reinach, CH;

Inventors:

Cristina Dominguez, Saint-Louis, FR;

Damien Julien Corpet, Oslon, FR;

Andrew Jackson, Muenchenstein, CH;

David Atkinson, Arlesheim, CH;

Assignee:

Archroma IP GmbH;

Attorney:
Primary Examiner:

Deve V Hall

Int. Cl.
CPC ...
C08F 2/26 (2006.01); C08F 2/44 (2006.01); C08F 212/08 (2006.01); C08F 220/16 (2006.01); C08K 5/42 (2006.01); C08F 220/18 (2006.01); C08F 4/04 (2006.01); C08F 218/08 (2006.01); C08F 220/06 (2006.01); C08F 220/14 (2006.01); C08F 220/56 (2006.01); C08F 228/02 (2006.01); D21H 19/58 (2006.01);
U.S. Cl.
CPC ...
C08F 2/26 (2013.01); C08F 2/44 (2013.01); C08F 4/04 (2013.01); C08F 212/08 (2013.01); C08F 218/08 (2013.01); C08F 220/06 (2013.01); C08F 220/14 (2013.01); C08F 220/1804 (2020.02); C08F 220/56 (2013.01); C08F 228/02 (2013.01); C08K 5/42 (2013.01); D21H 19/58 (2013.01);
Abstract

The present invention relates to a method of preparing an aqueous composition by emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of at least one water-soluble diaminostilbene disulphonic optical brightener, as well as to the aqueous composition obtainable by said method, the use of said aqueous composition for optically brightening of a cellulosic substrate and the cellulosic substrate treated with the aqueous composition.

Find Patent Forward Citations

Dominguez, Cristina. (2024). Optically brightened latexes (U.S. Patent No. 11866525). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11866525

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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