Patent · US Active

Photosensitive microcapsules

US10901315B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

Procter & Gamble International Operations SA · CH

Inventors

Bartosz Tylkowski · Tarragona, ES
Anna Trojanowska · Tarragona, ES
Luke Andrew Zannoni · Sharonville, US
Marta Giamberini · Tarragona, ES
Calum MacBeath · Singapore, SG
Johan Smets · Holsbeek, BE
Todd Laurence Underiner · Cincinnati, US
Susana FernandezPrieto · Fraga, ES

Key dates

Filing date	Aug 10, 2018
Grant date	Jan 26, 2021
Priority date	—
Expiry date	Dec 24, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G73/1092
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A photosensitive microcapsule having a shell encapsulating a core material. The core material can comprise a benefit agent and the shell can comprise a photosensitive polymer. The photosensitive polymer can include one or more photosensitive moieties having a substituted amine and a 1,3 dione moiety. The core material can be released from the photosensitive microcapsule upon exposure to an electromagnetic radiation field selected from the group consisting of infrared radiation, visible light, ultraviolet radiation and mixtures thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.