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.

Date of Patent:
May. 12, 2026

Filed:

Nov. 29, 2023
Applicant:

The Procter & Gamble Company, Cincinnati, OH (US);

Inventors:

Conny Erna Alice Joos, Buggenhout, BE;

Johan Smets, Lubbeek, BE;

Ariel Lebron, Cincinnati, OH (US);

Jennifer Beth Allison, Cincinnati, OH (US);

Mattia Collu, Saint-Gilles, BE;

Susana Fernandez Prieto, Benicarlo, ES;

Olav Pieter Dora Tony Keijzer, Ltterbeek, BE;

Linsheng Feng, Menasha, WI (US);

Sonia Marcela Malagon Gomez, Appleton, WI (US);

Meagan Marie Kochel, Appleton, WI (US);

Assignee:

The Procter & Gamble Company, Cincinnati, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D 17/00 (2006.01); B01J 13/16 (2006.01); C11D 3/00 (2006.01); C11D 3/22 (2006.01); C11D 3/50 (2006.01);
U.S. Cl.
CPC ...
C11D 3/505 (2013.01); B01J 13/16 (2013.01); C11D 3/0073 (2013.01); C11D 3/223 (2013.01); C11D 17/0013 (2013.01); C11D 17/0039 (2013.01); C11D 2111/12 (2024.01);
Abstract

A treatment composition that includes a treatment adjunct and a population of core/shell delivery particles, where the shell is made from an acid-treated chitosan and a cross-linking agent, where the acid-treated chitosan results from treating chitosan with a weak acid, or even a mixture of a strong acid and a weak acid. Related methods of making and using such compositions.


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