Granted Patent B2

US 12,594,534 · App. 18/259,227 · Granted Apr 7, 2026

Inventors: Yoshito Koga (Wakayama, JP); Daisuke Yamazaki (Wakayama, JP); Risa Sawada (Wakayama, JP); Keita Fukuzumi (Wakayama, JP)

Assignee: KAO CORPORATION

B01J13/18

Abstract

Claims (26)

1 . A microcapsule, comprising:

a shell containing an inorganic substance as a constituent component and a core containing one or more organic compounds inside the shell,

wherein the organic compound comprises the following component (A) and component (B1):

component (A): a functional oil agent; and

component (B1): one or more selected from the group consisting of a higher aliphatic alcohol having 12 or more carbon atoms, a higher fatty acid having 14 or more carbon atoms, and a monoalkyl glyceryl ether having an alkyl group having 14 or more carbon atoms, other than the component (A).

2 . The microcapsule according to claim 1 , wherein the component (B1) has a molecular weight of 500 or less.

3 . The microcapsule according to claim 1 , wherein a content ratio of the component (B1) to the component (A) is 0.01% by mass or more and 10% by mass or less.

4 . The microcapsule according to claim 1 , wherein the organic compound further comprises the following component (B2):

component (B2): one or more selected from the group consisting of a fatty acid ester having a total number of carbon atoms of 6 or more and a higher alkane having 6 or more carbon atoms, other than the component (A).

5 . The microcapsule according to claim 4 , wherein the component (B2) has a c Log P value of 5 or more.

6 . The microcapsule according to claim 4 , wherein a content ratio of the component (B2) to the component (A) is 0.01% by mass or more and 10% by mass or less.

7 . The microcapsule according to claim 1 , wherein the component (A) is one or more selected from the group consisting of a fragrance, a fragrance precursor, a moisturizer, an antioxidant, an antibacterial agent, a fertilizer, and a surface modifier.

8 . The microcapsule according to claim 1 , wherein the inorganic substance is an inorganic polymer formed by a sol-gel reaction using an alkoxide of one or more metals selected from the group consisting of silicon, aluminum, and titanium as a precursor.

9 . A microcapsule, comprising:

a shell containing an inorganic substance as a constituent component and a core containing one or more organic compounds inside the shell,

wherein the organic compound comprises the following component (A) and component (B1):

component (A): a functional oil agent;

component (B1): one or more selected from the group consisting of a higher aliphatic alcohol having 12 or more carbon atoms, a higher fatty acid having 14 or more carbon atoms, and a monoalkyl glyceryl ether having an alkyl group having 14 or more carbon atoms, other than the component (A), and

wherein the content of Component (B1) to Component (A) is 0.01% by mass or more and 7% by mass or less.

10 . A microcapsule, comprising:

a shell containing an inorganic substance as a constituent component and a core containing one or more organic compounds inside the shell,

wherein the organic compound comprises the following component (A) and component (B1):

component (A): a functional oil agent;

component (B1): one or more selected from the group consisting of a higher aliphatic alcohol having 12 or more carbon atoms, a higher fatty acid having 14 or more carbon atoms, and a monoalkyl glyceryl ether having an alkyl group having 14 or more carbon atoms, other than the component (A); and

component (B2): one or more selected from the group consisting of a fatty acid ester having a total number of carbon atoms of 6 or more and a higher alkane having 6 or more carbon atoms, other than the component (A), and

wherein the content of Component (B1) to Component (A) is 0.01% by mass or more and 7% by mass or less.

Assignments (1)

Continuity (1)

References Cited (35)