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US5154916A Expired / Lapsed US ⏱️ 0.0 years remaining

Eyelash make-up composition based on wax and keratin hydrolysate

Assignee: L'Oréal SA
•
Filing: 1990-04-27
•
Granted: 1992-10-13
•
Expires: 2010-04-27
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Abstract

Abstract The wax-based mascaras containing keratin hydrolysates having a molecular weight greater than 50,000 have improved properties for coating eyelashes, of stability and eyelash lengthening.

Inventors

  • 👤 Jean-Pierre Arraudeau
  • 👤 Jeanne Patraud
  • 👤 Didier Gagnebien

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 09:18
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/92; A61K8/30; A61K8/64; A61K8/65; A61Q; A61Q1/00; A61Q1/02; A61Q1/10

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 60 words
An eyelash makeup composition comprising in a cosmetically acceptable support at least one wax having a melting point between 60° and 110° C. and at least one keratin hydrolyzate having an average molecular weight ranging from 50,000 to 200,000, the weight ratio of the amount of said keratin hydrolyzate to the amount of said wax ranging from 0.005 to 0.5.
Claim 2
Dependent Claim 60 words
An eyelash makeup composition comprising in a cosmetically acceptable support at least one wax having a melting point between 60° and 110° C. and at least one keratin hydrolyzate having an average molecular weight ranging from 50,000 to 200,000, the weight ratio of the amount of said keratin hydrolyzate to the amount of said wax ranging from 0.005 to 0.5.
Claim 3
Dependent Claim 16 words
The composition of claim 1 wherein said keratin hydrolyzate has a molecular weight of approximately 100,000.
Claim 4
Dependent Claim 20 words
The composition of claim 1 wherein said keratin hydrolyzate is derived from hair, wool, hooves, horn, fur, silk or feathers.
Claim 5
Dependent Claim 31 words
The composition of claim 1 wherein said wax is an animal wax, a vegetable wax, a mineral wax, a synthetic wax or fraction of a natural wax, or a mixture thereof.
Claim 6
Dependent Claim 23 words
The composition of claim 4 wherein said animal wax is selected from the group consisting of beeswax, lanolin wax and China insect wax.
Claim 7
Dependent Claim 31 words
The composition of claim 4 wherein said vegetable wax is selected from the group consisting of Carnauba wax, Candelilla wax, Ouricurry wax, cork fiber wax, sugar cane wax and Japan wax.
Claim 8
Dependent Claim 23 words
The composition of claim 4 wherein said mineral wax is selected from the group consisting of paraffin, microcrystalline wax, Montan wax and ozokerite.
Claim 9
Dependent Claim 30 words
The composition of claim 4 wherein said synthetic wax is selected from the group consisting of polyethylene wax, wax obtained by Fischer-Tropsch synthesis and a wax copolymer and esters thereof.
Claim 10
Dependent Claim 29 words
The composition of claim 1 wherein said wax is present in an amount ranging from 2 to 40 percent by weight based on the total weight of said composition.
Claim 11
Dependent Claim 30 words
The composition of claim 1 wherein said keratin hydrolyzate is present in an amount ranging from 0.05 to 5 percent by weight based on the total weight of said composition.
Claim 12
Dependent Claim 16 words
The composition of claim 1 which also includes at least one mineral, organic or pearly pigment.
Claim 13
Dependent Claim 45 words
The composition of claim 11 wherein said mineral pigment is selected from the group consisting of titanium dioxide, surface treated titanium dioxide, black iron oxide, yellow iron oxide, red iron oxide, brown iron oxide, manganese violet, ultramarine blue, chromium oxide, chromium hydrate and ferric blue.
Claim 14
Dependent Claim 81 words
The composition of claim 11 wherein said organic pigment is selected from the group consisting of D&C red No. 19, D&C red No. 9, D&C red No. 21, D&C orange No. 4, D&C orange No. 5, D&C red No. 27, D&C red No. 13, D&C red No. 7, D&C red No. 6, D&C yellow No. 5, D&C red No. 36, D&C orange No. 10, D&C yellow No. 6, D&C red No. 30, D&C red No. 3 and cochineal carmine based lacquer.
Claim 15
Dependent Claim 49 words
The composition of claim 11 wherein said pearly pigment is selected from the group consisting of mica covered with titanium oxide, bismuth oxychloride, titanium mica colored with an iron oxide, titanium mica colored with ferric blue, chromium oxide, titanium mica colored with an organic pigment and colored bismuth oxychloride.
Claim 16
Dependent Claim 29 words
The composition of claim 11 wherein said pigment is present in an amount ranging from 3 to 20 percent by weight based on the total weight of said composition.
Claim 17
Dependent Claim 28 words
The composition of claim 1 in the form of an oil-in-water emulsion, a water-in-oil emulsion, a suspension in a solvent medium, an anhydrous solid or an anhydrous paste.
Claim 18
Dependent Claim 33 words
The composition of claim 1 which also includes at least one tensio-active agent present in an amount ranging from 2 to 30 percent by weight based on the total weight of said composition.
Claim 19
Dependent Claim 39 words
The composition of claim 1 which also includes at least one of a softener, a preservative, a sequestering agent, a perfume, a thickener, an oil, a silicone, a cohesion agent, a polymer, an alkalizing agent or an acidifying agent.
Claim 20
Dependent Claim 63 words
A method for preparing the composition of claim 1 comprising combining a cosmetically acceptable support with a wax having a melting point ranging from 60° to 110° C. and a keratin hydrolyzate having an average molecular weight ranging from 50,000 to 200,000, the weight ratio of the amount of said keratin hydrolyzate to the amount of said wax ranging from 0.005 to 5.

References Cited (Backward Citations)

US4517175A Cited
GB2167301A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-10-13 1996-04-13 1996-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-10-13 2000-04-13 2000-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-10-13 2004-04-13 2004-10-13 $7700.00 Window Closed / Lapsed

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