Dry emollient composition composing mono-unsaturated jojoba esters

• US 6,432,428 B1
• Filed: 08/21/2001
• Issued: 08/13/2002
• Est. Priority Date: 10/17/1997
• Status: Expired due to Term

• Current Assignee: International Flora Technologies Limited
• Original Assignee: International Flora Technologies Limited
• Inventors: Brown, Jim, Reinhardt, John, Arquette, Demetrios James G.
• Primary Examiner(s): Kishore, Gollamudi S.
• Assistant Examiner(s): CHANNAVAJJALA, LAKSHMI SARADA
• Application Number:
  US09/935,015
• Time in Patent Office: 357 Days
• Field of Search: 424/401, 424/59, 424/63, 424/64, 424/502, 514/844, 514/873, 514/558
• US Class Current: 424/401
• CPC Class Codes: A61K 2800/652 The particulate/core comprising organic material
• CPC Class Codes: A61K 2800/872 Pencils; Crayons; Felt-tip pens
• CPC Class Codes: A61K 8/025 Explicitly spheroidal or spherical shape
• CPC Class Codes: A61K 8/19 containing inorganic ingredients
• CPC Class Codes: A61K 8/29 Titanium; Compounds thereof
• CPC Class Codes: A61K 8/342 Alcohols having more than seven atoms in an unbroken chain
• CPC Class Codes: A61K 8/345 containing more than one hydroxy group
• CPC Class Codes: A61K 8/361 Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
• CPC Class Codes: A61K 8/365 Hydroxycarboxylic acids; Ketocarboxylic acids
• CPC Class Codes: A61K 8/37 Esters of carboxylic acids
• CPC Class Codes: A61K 8/375 the alcohol moiety containing more than one hydroxy group
• CPC Class Codes: A61K 8/41 Amines
• CPC Class Codes: A61K 8/44 Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• CPC Class Codes: A61K 8/4946 Imidazoles or their condensed derivatives, e.g. benzimidazoles
• CPC Class Codes: A61K 8/671 Vitamin A; Derivatives thereof, e.g. ester of vitamin A acid, ester of retinol, retinol, retinal
• CPC Class Codes: A61K 8/675 Vitamin B3 or vitamin B3 active, e.g. nicotinamide, nicotinic acid, nicotinyl aldehyde tocopheryl nicotinate A61K8/678
• CPC Class Codes: A61K 8/678 Tocopherol, i.e. vitamin E
• CPC Class Codes: A61K 8/8152 Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
• CPC Class Codes: A61K 8/86 Polyethers
• CPC Class Codes: A61K 8/891 saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
• CPC Class Codes: A61K 8/894 : modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• CPC Class Codes: A61K 8/922 : of vegetable origin
• CPC Class Codes: A61Q 1/02 : Preparations containing skin colorants, e.g. pigments preparations in powder form A61Q1/12
• CPC Class Codes: A61Q 1/04 : for lips
• CPC Class Codes: A61Q 1/06 : Lipsticks
• CPC Class Codes: A61Q 1/10 : for eyes, e.g. eyeliner, mascara
• CPC Class Codes: A61Q 17/04 : Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
• CPC Class Codes: A61Q 19/00 : Preparations for care of the skin
• CPC Class Codes: C07C 67/03 : by reacting an ester group with a hydroxy group
• CPC Class Codes: C07C 69/533 : Monocarboxylic acid esters having only one carbon-to-carbon double bond

Abstract

Disclosed are dry-feel emollient compositions comprising fatty alcohols, alkyl esters and jojoba wax esters obtained by a novel process of a base catalyzed alcoholysis reaction between jojoba oil and an alcohol, such as isopropyl alcohol. The composition is essentially solid at room temperature, can be provided in various shapes and sizes (especially as particulates such as spheres). These new compositions increase the range of applications for cosmetic compositions by providing an emollient that is more polar and hydrophilic than is found in naturally occurring jojoba oils (jojoba wax esters). These compositions have use in personal care, cosmetic, cosemceutical and pharmaceutical products. Typical materials these compositions may be blended include, but are not limited to, cosmetic oils and waxes, both natural and synthetic, hydrogenated or partially hydrogenated oils, silicone oils, mineral oils, long chain esters, vitamins, long chain fatty acids, alcohols, cosmeceuticals, pigments, botanical extracts, esters and ethers, dimers, trimers, oligomers, polymers, and the like. These compositions may be combined with active ingredients to be delivered by the compositions.

Claims

1. A dry composition comprising solid particles of mono-unsaturated jojoba esters and fatty monohydric alcohols carrying an active ingredient selected from the group consisting of fragrances, vitamins, medicaments, botanical extracts, ultraviolet radiation absorbers, cosmeceuticals, glitter, high loads of pigment for color delivery to skin, spices, spice extracts, herbs, and herb extracts.

2. The composition of claim 1 wherein said particles comprise dyed or pigmented jojoba esters and fatty alcohols, but not an aqueous phase, carrying an active ingredient selected from the group consisting of fragrances, vitamins, medicaments, botanical extracts, ultraviolet radiation absorbers, cosmeceuticals, glitter, high loads of pigment for color delivery to skin, spices, spice extracts, herbs, and herb extracts.

3. The composition of claim 1 wherein said jojoba esters and fatty alcohols comprise at least 10% by weight of said particles.

4. The composition of claim 2 wherein said jojoba esters and fatty alcohols comprise at least 10% by weight of said particles.

5. The composition of claim 1 comprising said particles dispersed in a flowable continuous phase carrying medium which is not a solvent for said particles.

6. The composition of claim 2 comprising said particles dispersed in a flowable continuous phase carrying medium which is not a solvent for said particles.

7. The composition of claim 1 comprising said particles dispersed in a gel carrying medium which is not a solvent for said particles.

8. The composition of claim 2 comprising said particles dispersed in a gel carrying medium which is not a solvent for said particles.

9. The composition of claim 1 comprising said particles dispersed in a cosmetic pancake carrying medium.

10. The composition of claim 2 comprising said particles dispersed in a cosmetic pancake carrying medium.

11. The composition of claim 1 wherein said particles comprise at least 50% by weight of said jojoba esters and fatty alcohols.

12. The composition of claim 2 wherein said particles comprise at least 50% by weight of said jojoba esters and fatty alcohols.

13. The composition of claim 5 wherein said particles comprise at least 50% by weight of said jojoba esters and fatty alcohols.

14. The composition of claim 6 wherein said particles comprise at least 50% by weight of said jojoba esters and fatty alcohols.

15. The composition of claim 7 wherein said particles comprise at least 50% by weight of said jojoba esters and fatty alcohols.