Patent US3947571A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3947571A Expired / Lapsed US ⏱️ 0.0 years remaining

Lipstick containing microencapsulated oils

Assignee: Revlon Consumer Products LLC
•
Filing: 1974-05-06
•
Granted: 1976-03-30
•
Expires: 1994-05-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Lipstick formulation comprising oils encapsulated in a water-soluble shell dispersed within an anhydrous base. The anhydrous base comprises a mixture of various waxes, oils and coloring agents. By remoistening the lips, a sustained release of the encapsulated oils is effected which imparts a shiny wet or moist look to the lips.

Inventors

  • 👤 John H. Murphy
  • 👤 George Lieberman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:51
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/11; A61K8/18; A61K8/30; A61K8/31; A61K8/33; A61K8/37; A61Q; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61K2800/00; A61K2800/20; A61K2800/30; A61K2800/31; A61K2800/40; A61K2800/41; A61K2800/412

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 64 words
A lipstick formulation comprising oils microencapsulated within a water-soluble shell dispersed within any anhydrous base wherein said anhydrous base comprises a mixture of waxes, oils, and coloring agents and wherein said anhydrous base is present at from about 80% to about 98% by weight of said formulation and said microcapsules are present at from about 2% to about 20% by weight of said formulation.
Claim 2
Dependent Claim 64 words
A lipstick formulation comprising oils microencapsulated within a water-soluble shell dispersed within any anhydrous base wherein said anhydrous base comprises a mixture of waxes, oils, and coloring agents and wherein said anhydrous base is present at from about 80% to about 98% by weight of said formulation and said microcapsules are present at from about 2% to about 20% by weight of said formulation.
Claim 3
Dependent Claim 48 words
The lipstick formulation of claim 1 wherein said microcapsules consist of from about 10% to about 50% by weight of oily core materials and from about 50% to about 90% by weight of water-soluble shell material and are of an average particle size of less than 77 microns.
Claim 4
Dependent Claim 54 words
The lipstick formulation of claim 2 wherein said core includes one or more oils selected from the group consisting of oleyl alcohol, castor oil, mineral oil, liquid lanolin, sesame oil, isopropyl myristate, isopropyl palmitate, and squalane and said shell material is selected from the group consisting of starch, gum arabic, gum tragacanth, and dextrin.
Claim 5
Dependent Claim 19 words
The lipstick formulation of claim 3 wherein said microcapsule comprise from about 10% to about 15% of said formulation.
Claim 6
Dependent Claim 18 words
The lipstick formulation of claim 4 wherein said microcapsules consist of about 30% core and about 70% shell.
Claim 7
Dependent Claim 31 words
The lipstick formulation of claim 5 wherein said core material is mineral oil and said shell material is dextrin and said microcapsules comprise about 10% by weight of said lipstick formulation.
Claim 8
Dependent Claim 19 words
The lipstick formulation of claim 3 wherein said shell material is dextrin and said core material is isopropyl myristate.
Claim 9
Dependent Claim 27 words
The lipstick formulation of claim 3 wherein said core material is a mixture of mineral oil, isopropyl myristate, and fragrance oil and said shell material is dextrin.
Claim 10
Dependent Claim 86 words
The lipstick formulation of claim 1, wherein said anhydrous base comprises one or more waxes selected from the group consisting of candelilla, ozokerite, carnauba, synthetic cocoa butter, petrolatum, isopropyl lanolate, cetyl alcohol, lanolin, lanolin alcohol fraction and glyceryl monostearate and one or more oils selected from the group consisting of oleyl alcohol, castor oil, mineral oil, liquid lanolin, sesame oil, isopropyl myristate, isopropyl palmitate and squalane, and one or more D & C or F, D & C certified colors and at least one inorganic pigment.
Claim 11
Dependent Claim 18 words
The lipstick formulation of claim 9 wherein said anhydrous base includes a preservative, an antioxidant, and fragrance oil.
Claim 12
Dependent Claim 132 words
A lipstick formulation consisting essentially of the following ingredients on a percent by weight basis Candelilla wax 13.73 Oleyl alcohol 13.22 Castor oil 13.00 Lanolin alcohol fraction 10.00 Mineral oil 7.50 Synthetic cocoa butter 4.00 Cetyl alcohol 5.00 Liquid lanolin 4.50 Sesame oil 4.50 Petrolatum 4.50 Isopropyl lanolate 3.00 Lanolin 1.50 Squalane 1.00 Ozokerite 1.00 Propyl p-hydroxybenzoate 0.10 Butylated hydroxyanisole 0.02 D & C Red No. 9 1.66 D & C Red No. 27 .78 Iron oxide .49 Fragrance oil .50 Encapsulated mineral oil 10.00 wherein said encapsulated mineral oil consists essentially of microcapsules having an average particle size of less than 77 microns, a water-soluble dextrin shell, and wherein said shell is present at 70% by weight and said mineral oil core is present at 30% by weight in each microcapsule.
Claim 13
Dependent Claim 132 words
A lipstick formulation consisting essentially of the following ingredients on a percent by weight basis Candelilla wax 13.73 Oleyl alcohol 13.22 Castor oil 13.00 Lanolin alcohol fraction 10.00 Mineral oil 7.50 Synthetic cocoa butter 4.00 Cetyl alcohol 5.00 Liquid lanolin 4.50 Sesame oil 4.50 Petrolatum 4.50 Isopropyl lanolate 3.00 Lanolin 1.50 Squalane 1.00 Ozokerite 1.00 Propyl p-hydroxybenzoate 0.10 Butylated hydroxyanisole 0.02 D & C Red No. 9 1.66 D & C Red No. 27 .78 Iron oxide .49 Fragrance oil .50 Encapsulated mineral oil 10.00 wherein said encapsulated mineral oil consists essentially of microcapsules having an average particle size of less than 77 microns, a water-soluble dextrin shell, and wherein said shell is present at 70% by weight and said mineral oil core is present at 30% by weight in each microcapsule.

References Cited (Backward Citations)

US2800457A Cited
US3122481A Cited
US3041289A Cited
US3091567A Cited
US3148125A Cited
US3279999A Cited
GB1205883A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-03-30 1979-09-29 1980-03-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-03-30 1983-09-29 1984-03-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-03-30 1987-09-29 1988-03-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag