# US 10,478,387 B2 · Coating of clay micro-tubes on surfaces of hair and natural fibers

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- Number: US 10,478,387 B2
- Document ID: US10478387B2
- Status: Granted
- Kind: B2
- Application number: 16/226,835
- Filed: 2018-12-20
- Published: 2019-05-02
- Granted: 2019-11-19
- Earliest claimed: 2017-08-28
- Assignees: Louisiana Tech Research Corporation
- Applicants: Louisiana Tech Research Corporation
- Inventors: Yuri Lvov; Abhishek Panchal; Rawil Fakhrullin
- Web page: https://patentgrep.com/patent/US10478387B2

## CPC

- A61K 8/26: Aluminium; Compounds thereof
- A01N 37/18: containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N 37/46: N-acyl derivatives
- A01N 43/40: six-membered rings
- A01N 47/02: the carbon atom having no bond to a nitrogen atom
- A01N 47/10: Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N 47/16: the nitrogen atom being part of a heterocyclic ring
- A01N 49/00: Biocides, pest repellants or attractants, or plant growth regulators, containing compounds containing the group [IMAGE cpc-sch-A01N-0948.gif], wherein m+n>=1, both X together may also mean —Y— or a direct carbon-to-carbon bond, and the carbon atoms marked with an asterisk are not part of any ring system other than that which may be formed by the atoms X, the carbon atoms in square brackets being part of any acyclic or cyclic structure, or the group [IMAGE cpc-sch-A01N-0949.gif], wherein A means a carbon atom or Y, n>=0, and not more than one of these carbon atoms being a member of the same ring system, e.g. juvenile insect hormones or mimics thereof (containing hydrocarbons A01N27/00)
- A01N 51/00: Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
- A01N 53/00: Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
- A01N 59/06: Aluminium; Calcium; Magnesium; Compounds thereof
- A61K 8/027: {Fibers; Fibrils}
- A61Q 5/02: Preparations for cleaning the hair
- A61Q 5/065: {Preparations for temporary colouring the hair, e.g. direct dyes}
- A61Q 5/10: Preparations for permanently dyeing the hair
- A61Q 17/02: containing insect repellants
- A61K 2800/43: Pigments; Dyes
- A61K 2800/432: Direct dyes
- A61K 2800/56: Compounds, absorbed onto or entrapped into a solid carrier, e.g. encapsulated perfumes, inclusion compounds, sustained release forms
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

A hair coloring mixture including a carrier liquid with alumino-silicate micro-tubes having a hair dye agent loaded into the lumen of the micro-tubes. The micro-tubes may be present in the carrier liquid in a concentration of between about 5 mg/ml and about 50 mg/ml, while the mixture will have a pH of between about 4 and about 7.

## Claims

### Claim 1

A biocide mixture for hair comprising:
(a) a carrier liquid;
(b) alumino-silicate micro-tubes having a biocide loaded into a lumen of the micro-tubes;
(c) wherein the micro-tubes are present in the carrier liquid in a concentration of between about 3 mg/ml and about 100 mg/ml; and
(d) wherein the mixture has a pH of between about 3.5 and about 7.5.

### Claim 2 (depends on 1)

The biocide mixture of claim 1, wherein the biocide is a pediculicide.

### Claim 3 (depends on 2)

The biocide mixture of claim 2, wherein the pediculicide is one from the group consisting of Permethrin, IR 3535, Saltidin, Picaridin, Cinerin, and N,N-Diethyl-meta-toluamide (DEET).

### Claim 4 (depends on 1)

The biocide mixture of claim 1, wherein the biocide is an anti-flea agent.

### Claim 5 (depends on 4)

The biocide mixture of claim 4, wherein the anti-flea agent is one from the group consisting of Imadiclopid, Pyriproxyfen, Fipronil, Methoprene and Permethrin.

### Claim 6

A hair dying kit comprising;
(a) a first container having a volume of carrier fluid, the carrier fluid having a water content of at least 65%;
(b) a second container having a weight of alumino-silicate micro-tubes having a hair dye agent loaded into a lumen of the micro-tubes, the second container maintaining the alumino-silicate micro-tubes in a dry state;
(c) wherein the weight of alumino-silicate micro-tubes to the volume of carrier fluid is between 5 mg/ml and 100 mg/ml.

### Claim 7 (depends on 6)

The hair dying kit of claim 6, wherein the hair dye agent is a water soluble dye agent.

### Claim 8 (depends on 6)

The hair dying kit of claim 6, wherein the hair dye agent is a water insoluble dye agent.

### Claim 9 (depends on 6)

The hair dying kit of claim 6, wherein the hair dye agent loaded into a lumen of the micro-tubes to at least a 4 weight percent dye loading efficiency.

### Claim 10 (depends on 6)

The hair dying kit of claim 6, wherein the hair dye agent is one from the group consisting of Shikonin, Quercetin, Lawsone, Isorhamnetin, Curcumin, and Alizarin.

### Claim 11 (depends on 6)

The hair dying kit of claim 6, wherein an exterior surface of the micro-tubes have a contact angle of at least about 30°.

### Claim 12

A method of applying a coloring agent to textiles comprising the step of applying to the textile a coloring mixture for at least one minute, wherein the coloring mixture comprises:
(a) an aqueous based carrier liquid;
(b) alumino-silicate micro-tubes having a dye loaded into a lumen of the micro-tubes to at least a 3 weight percent dye loading efficiency;
(c) wherein the micro-tubes are present in the carrier liquid in a concentration of between about 5 mg/ml and about 100 mg/ml; and
(d) wherein the mixture has a pH of between about 2 and about 12.

### Claim 13 (depends on 12)

The method of applying a coloring agent to textiles according to claim 12, wherein an exterior surface of micro-tubes have a contact angle of at least about 30°.

### Claim 14 (depends on 12)

The method of applying a coloring agent to textiles according to claim 12, wherein after application of the micro-tube dispersion, a polycation solution is applied to the textile.

### Claim 15 (depends on 12)

The method of applying a coloring agent to textiles according to claim 12, wherein the dye is one from the group consisting of Alcian yellow GXS Alizarin, Alizarin red S, Alizarin yellow GG, Alizarin yellow R, Azophloxin, Bismarck brown R, Bismarck brown Y, Brilliant cresyl blue, Chrysoidine R, Chrysoidine Y Congo red, Crystal violet, Fuchsin acid, Gentian violet, Janus green, Lissamine fast yellow, Martius yellow, Meldola blue, Metanil yellow, Methyl orange, Methyl red, Naphthalene black 12B, Naphthol green B, Naphthol yellow S, Orange G, Rose Bengal, Sudan II, Titan yellow, Tropaeolin O, Tropaeolin OO, Tropaeolin OOO, Victoria blue 4R, Victoria blue B, Victoria blue R, and Xylene cyanol FF.

### Claim 16 (depends on 12)

The method of applying a coloring agent to textiles according to claim 12, wherein the textile is primarily formed of one from the group consisting of cotton, wool, silk, or cellulose fiber.