IP Library Granted Patent US 8,425,888
Granted Patent B1
US 8,425,888 · App. 13/385,148 · Granted Apr 23, 2013

Silicone benzyl esters

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Quick Facts
Patent No.
US 8,425,888
App. No.
13/385,148
Granted
Apr 23, 2013
Kind
B1
Abstract

The present invention relates to a series of dimethicone esters that contain benzyl groups. These esters have a dry feel and are well suited to a variety of uses especially cosmetic uses where they fond use in sunscreen compositions, pigment dispersions, and creams and lotions.

Claims (19)

1. A silicone conforming to the following structure:

wherein:

a is an integer ranging from 0 to 200:

b is an integer ranging from 2 to 20;

C 6 H 5 is

2. A silicone of claim 1 wherein a is an integer ranging from 1 to 200; and b is an integer ranging from 2 to 20.

3. A silicone of claim 1 wherein a is an integer ranging from 2 to 100 and b is an integer ranging from 2 to 20.

4. A silicone of claim 2 wherein b is an integer ranging from 2 to 10.

5. A silicone of claim 2 wherein b is an integer ranging from 2 to 5.

6. A silicone of claim 2 wherein b is an integer ranging from 6 to 20.

7. A silicone of claim 3 wherein b is an integer ranging from 2 to 10.

8. A silicone of claim 3 wherein b is an integer ranging from 2 to 5.

9. A silicone of claim 3 wherein b is an integer ranging from 6 to 20.

10. A process for conditioning hair and skin which comprises contacting the hair or skin with an effective conditioning concentration of a silicone conforming to the following structure:

wherein:

a is an integer ranging from 0 to 200;

b is an integer ranging from 2 to 20;

C6H 5 is

11. A process of claim 10 wherein said conditioning concentration ranges from 0.1 to 20% by weight.

Assignments (4)
THIRD AMENDED AND RESTATED INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Dec 20, 2024
From: THE HALLSTAR COMPANY; HALLSTAR INNOVATIONS CORP.; HALLSTAR BEAUTY AND PERSONAL CARE INNOVATIONS COMPANY; UNIPLEX COMPANY
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 069747/0045 →
THIRD AMENDED AND RESTATED INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Nov 3, 2023
From: THE HALLSTAR COMPANY; HALLSTAR INNOVATIONS CORP.; HALLSTAR BEAUTY AND PERSONAL CARE INNOVATIONS COMPANY; UNIPLEX COMPANY
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 065448/0262 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 28, 2018
From: HALLSTAR INNOVATIONS CORP.
To: HALLSTAR BEAUTY AND PERSONAL CARE INNOVATIONS COMPANY
Reel/Frame 046977/0359 →
SECOND AMENDED AND RESTATED INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Nov 25, 2014
From: HALLSTAR INNOVATIONS CORP.
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 034468/0854 →