IP Library Granted Patent US 9,456,968
Granted Patent B2
US 9,456,968 · App. 14/269,131 · Granted Oct 4, 2016

Composition containing a cellulose derived capsule with a sunscreen

Inventor: Laura E. Cohen (Huntington Beach, CA)
Assignee: CoLabs International Corporation
A61K8/11A61K8/062A61K8/35A61K8/37A61K8/731A61Q5/02A61Q17/04B01J13/02A61K2800/21A61K2800/412A61Q5/06A61Q5/12A61Q17/005A61Q19/007A61Q19/10
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Quick Facts
Patent No.
US 9,456,968
App. No.
14/269,131
Granted
Oct 4, 2016
Kind
B2
Abstract

A sunscreen composition comprised of one or more sunscreen active agents encapsulated in a cellulose derived capsule wherein the composition can contain one or more additional agents. A sunscreen composition can be mixed with a bodywash, shampoo, conditioner, lotion, gel, soap, cream, hand sanitizer, spray or mousse and can be used by an individual during their normal hygiene processes, such as during a shower or bath or while applying a body product to their skin or hair.

Claims (30)

1. A composition comprising a sunscreen composition, the sunscreen composition comprising:

a. flexible cellulose derived capsules comprising octocrylene and avobenzone;

b. flexible cellulose derived capsules comprising octinoxate;

c. cellulose derived capsules comprising a silicone;

d. cellulose derived capsules comprising a fat including a triglyceride;

e. at least 10% (w/v) of one or more anionic surfactant that includes a sulfate;

f. about 1% (w/v) to about 10% (w/v) of a zwitterionic surfactant that includes a betaine; and

g. about 0.1% (w/v) to about 10% (w/v) of a polyquaternium;

wherein the flexible cellulose derived capsules consists essentially of hydroxypropylcellulose, hydroxypropylmethylcellulose, ethylcellulose, carboxymethylcellulose or any derivative of hydroxypropylcellulose, hydroxypropylmethylcellulose, ethylcellulose or carboxymethylcellulose;

wherein the flexible cellulose derived capsules and the cellulose derived capsules have a mean diameter of about 300 nm to about 700 nm; and

wherein the composition has an SPF of at least about 20.

2. The composition of claim 1 , wherein the amount of octinoxate is from about 2% (w/v) to about 10% (w/v).

3. The composition of claim 1 , wherein the amount of octinoxate is about 10% (w/v).

4. The composition of claim 3 , wherein the amount of octinoxate is about 7.5% (w/v) or less.

5. The composition of claim 1 , wherein the amount of octinoxate is at least 5% (w/v).

6. The composition of claim 1 , wherein the amount of octocrylene is from about 0.5% (w/v) to about 15% (w/v) and the amount of avobenzone is about 2% (w/v) to about 4% (w/v).

7. The composition of claim 6 , wherein the amount of octocrylene is about 10% (w/v) or less and the amount of avobenzone is about 3% (w/v) or less.

8. The composition of claim 1 , wherein the amount of the silicone is from about 2% (w/v) to about 15% (w/v).

9. The composition of claim 1 , wherein the amount of the silicone is about 0.1% (w/v).

10. The composition of claim 1 , wherein the amount of the silicone is about 1(w/v).

11. The composition of claim 1 , wherein the silicone is dimethyl polysiloxane.

12. The composition of claim 1 , wherein the amount of the fat is about 0.1% (w/v).

13. The composition of claim 1 , wherein the amount of the fat is about 0.2% (w/v).

14. The composition of claim 1 , wherein the amount of the fat is about 0.3% (w/v).

15. The composition of claim 1 , wherein the sulfate comprises sodium lauryl sulfate and sodium laureth sulfate.

16. The composition of claim 1 , wherein the amount of sodium lauryl sulfate is from about 0.01% (w/v) to about 10% (w/v).

17. The composition of claim 1 , wherein the amount of sodium laureth sulfate is from about 0.01% (w/v) to about 10% (w/v).

18. The composition of claim 1 , wherein the betaine is cocamidopropyl betaine.

19. The composition of claim 1 , wherein the flexible cellulose derived capsules and the cellulose derived capsules have a mean diameter of about 400 nm to about 600 nm.

20. The composition of claim 1 , wherein the amount of the polyquaternium is from about 0.5% (w/v) to about 5% (w/v).

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 1, 2016
From: COHEN, LAURA E.
To: COLABS INTERNATIONAL CORPORATION
Reel/Frame 038166/0799 →
Continuity (4)
Continuation 14072926 · Nov 6, 2013
Provisional Application 61769758 · Feb 27, 2013
Provisional Application 61722870 · Nov 6, 2012
Related Publication 20140242132A1 · Aug 28, 2014