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US4966754A Expired / Lapsed US ⏱️ 0.0 years remaining

Preservation of cosmetic compositions

Assignee: A-VEDA Corp 321 LINCOLN STREET NE MINNEAPOLIS MINNESOTA A CORP OF
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Filing: 1988-08-08
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Granted: 1990-10-30
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Expires: 2008-08-08
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Abstract

Abstract A cosmetic composition containing a dermatologically acceptable carrier or vehicle and certain essential oils as a preservative. The essential oil provides antimicrobial assurance against Apergillus niger, Candida albicans, Staphylococcus aureus and Pseudomonas aeruginosa. A method of preparing the preserved cosmetic composition is also described.

Inventors

  • 👤 Prakash C. Purohit
  • 👤 Lal G. Ramdeen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:59
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4993; A61K8/92; A61K8/922; A61Q; A61Q17/00; A61Q17/005; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/524; A61K2800/74; A61K2800/77

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 205 words
A method of preserving a cosmetic composition from microbial action of the microorganisms Aspergillus niger, Candida albicans, Staphylococcus aureus and Pseudomonas aeruginosa comprising incorporating into said cosmetic composition an essential oil having antimicrobial activity against all four of said microorganisms, wherein said antimicrobial essential oil is a mixture of essential oils having the following composition by weight: ______________________________________ Percentage By Weight Essential Oil ______________________________________ 20.00 Linalool ex Bois de Rose 5.00 Geraniol ex Palmarosa 5.00 Lemongrass 80% rectified 20.00 Bois de Rose 20.00 Cedarwood Oil 5.00 Marjoram Oil 2.00 Cinnamon Bark Oil 2.00 Cardamon Oil 3.00 Neroli Bigarde Petals Oil 2.00 Vanilla Resinoid 5.00 Coriander Oil 2.00 Oakmoss empuree 2.00 Armoise Oil 5.00 Menthol Crystals laevo 2.00 Rose absolute concrete wax ______________________________________ and wherein said antimicrobial essential oil is incorporated into said cosmetic composition by first dissolving said antimicrobial essential oil in a polyoxyethylene sorbitan ester wherein the ratio by weight of said sorbitan ester to said antimicrobial essential oil is in the range of 2:1 to 6:1 and adding said resulting sorbitan ester and essential oil mixture to said cosmetic composition in an amount to provide said antimicrobial essential oil in said cosmetic composition of at least 2% by weight of said cosmetic composition.
Claim 2
Independent Claim 205 words
A method of preserving a cosmetic composition from microbial action of the microorganisms Aspergillus niger, Candida albicans, Staphylococcus aureus and Pseudomonas aeruginosa comprising incorporating into said cosmetic composition an essential oil having antimicrobial activity against all four of said microorganisms, wherein said antimicrobial essential oil is a mixture of essential oils having the following composition by weight: ______________________________________ Percentage By Weight Essential Oil ______________________________________ 20.00 Linalool ex Bois de Rose 5.00 Geraniol ex Palmarosa 5.00 Lemongrass 80% rectified 20.00 Bois de Rose 20.00 Cedarwood Oil 5.00 Marjoram Oil 2.00 Cinnamon Bark Oil 2.00 Cardamon Oil 3.00 Neroli Bigarde Petals Oil 2.00 Vanilla Resinoid 5.00 Coriander Oil 2.00 Oakmoss empuree 2.00 Armoise Oil 5.00 Menthol Crystals laevo 2.00 Rose absolute concrete wax ______________________________________ and wherein said antimicrobial essential oil is incorporated into said cosmetic composition by first dissolving said antimicrobial essential oil in a polyoxyethylene sorbitan ester wherein the ratio by weight of said sorbitan ester to said antimicrobial essential oil is in the range of 2:1 to 6:1 and adding said resulting sorbitan ester and essential oil mixture to said cosmetic composition in an amount to provide said antimicrobial essential oil in said cosmetic composition of at least 2% by weight of said cosmetic composition.
Claim 3
Dependent Claim 16 words
A method as defined in claim 1 wherein said composition is a cosmetic cream or lotion.

References Cited (Backward Citations)

JPS5988412A Cited
JPS6032705A Cited
US4784849A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-10-29 1994-04-30 1994-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-10-29 1998-04-30 1998-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-10-29 2002-04-30 2002-10-30 $7700.00 Window Closed / Lapsed

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