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US5494676A Expired / Lapsed US ⏱️ 0.0 years remaining

Dermatological compositions containing CIS-urocaninic acid

Assignee: PROFESSOR DR UDO HOPPE
•
Filing: 1995-05-18
•
Granted: 1996-02-27
•
Expires: 2015-05-18
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Abstract

Abstract Dermatological compositions having an effective content of cis-urocaninic acid and/or its derivatives, the process for the produktion of such compositions and the method of use of dermatological compositions having a content of cis-urocaninic acid for the treatment and the prophylaxis of inflammatory dermatoses and for the care and restoration of senstive and stressed skin.

Inventors

  • 👤 Franz Stab
  • 👤 Udo Hoppe
  • 👤 Gerhard Sauermann
  • 👤 Walter Engel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:15
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4946; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/415; A61Q; A61Q19/00; A61Q19/005; A61Q7/00

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 33 words
A method for the treatment of a human patient afflicted with neurodermatitis, which comprises topically administering to such patient an amount effective for treating such neurodermatitis of cis-urocanic acid or a salt thereof.
Claim 2
Independent Claim 33 words
A method for the treatment of a human patient afflicted with neurodermatitis, which comprises topically administering to such patient an amount effective for treating such neurodermatitis of cis-urocanic acid or a salt thereof.
Claim 3
Dependent Claim 22 words
The method according to claim 1, wherein this cis-urocanic acid or salt thereof is applied as a composition also containing a diluent.
Claim 4
Dependent Claim 21 words
The method according to claim 2, wherein the composition contains about 0.0001 mg/ml-60 mg/ml of the cis-urocanic acid or salt thereof.
Claim 5
Dependent Claim 24 words
The method according to claim 2, wherein the composition further contains about 0.2-2% by weight of an unsaturated fatty acid ester or salt thereof.
Claim 6
Dependent Claim 23 words
The method according to claim 1, wherein the cis-urocanic acid or salt thereof is applied in admixture with trans-urocanic acid or salt thereof.
Claim 7
Dependent Claim 25 words
The method according to claim 1, wherein the cis-urocanic acid or salt thereof is applied as a racemic mixture with trans-urocanic acid or salt thereof.

References Cited (Backward Citations)

US4424234A Cited
US4419343A Cited
US4181804A Cited
US5011855A Cited
US4897260A Cited
US5045559A Cited
WO1994022441A2 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-02-26 1999-08-28 2000-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-02-26 2003-08-28 2004-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-02-26 2007-08-28 2008-02-27 $7700.00 Window Closed / Lapsed

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