# US 5,348,735 A · Liquid crystal deodorant

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- Number: US 5,348,735 A
- Document ID: US5348735A
- Status: Granted
- Kind: A
- Application number: 08/076,422
- Filed: 1993-06-14
- Granted: 1994-09-20
- Earliest claimed: 1993-06-14
- Assignees: GHS Products, Inc.
- Inventors: Dennis Harris; Ronald General
- Web page: https://patentgrep.com/patent/US5348735A

## CPC

- A61K 8/0295: {Liquid crystals}
- A61K 8/26: Aluminium; Compounds thereof
- A61K 8/347: {Phenols}
- A61Q 15/00: Anti-perspirants or body deodorants (deodorisation of air A61L9/00)
- 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)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

A liquid crystal deodorant is produced by dissolving a powdered crystalline double sulfate of aluminum (alum) in a saturated solution of water, or a combination of water and alcohol, preferably denatured ethanol. The deodorant then is applied in any suitable fashion to provide odor control, particularly for underarm and foot odor control purposes.

## Claims

### Claim 1

A liquid crystal deodorant including in combination:
powdered crystalline double sulfate of aluminum selected from the group consisting of potassium aluminum sulfate and ammonium aluminum sulfate dissolved in a saturated solution comprising between 2.5 grams and 7.0 grams of crystalline double sulfate of aluminum per 100 milliliters of liquid, said liquid consisting of between thirty-five percent and eighty percent of distilled water, between five percent and fifteen percent propylene glycol and forty percent to fifty percent of denatured alcohol, one percent to two percent dimethicone copolyol phosphate, and 0.12 percent to 2 percent of a bactericide selected from the group of triclosan and hexachlorophene.

### Claim 2 (depends on 1)

The combination according to claim 1 wherein said denatured alcohol is SD alcohol 40.

### Claim 3 (depends on 1)

The combination according to claim 1 wherein said bactericide comprises less than one percent by volume of triclosan.

### Claim 4 (depends on 3)

The combination according to claim 3 wherein said powdered crystalline double sulfate of aluminum comprises potassium aluminum sulfate.