← Back to Patent Explorer
US3987202A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of treating psoriasis

Assignee: Individual
•
Filing: 1974-12-23
•
Granted: 1976-10-19
•
Expires: 1994-12-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract This invention relates to the treatment of human skin by the use of melanins, in particular for the treatment of psoriasis.

Inventors

  • 👤 Milton R. Okun

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:42
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/12

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 28 words
The method of treating psoriatic human skin comprising the step of applying melanin to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 2
Independent Claim 28 words
The method of treating psoriatic human skin comprising the step of applying melanin to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 3
Independent Claim 32 words
The method of treating psoriatic human skin comprising the step of applying melanin in an alkaline solution to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 4
Independent Claim 32 words
The method of treating psoriatic human skin comprising the step of applying melanin in an alkaline solution to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 5
Independent Claim 38 words
The method of treating psoriatic human skin comprising the step of applying melanin in a buffered solution having a pH of about 7.5 to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 6
Independent Claim 38 words
The method of treating psoriatic human skin comprising the step of applying melanin in a buffered solution having a pH of about 7.5 to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 7
Independent Claim 32 words
The method of treating psoriatic human skin comprising the step of applying melanin in a cream form to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 8
Independent Claim 32 words
The method of treating psoriatic human skin comprising the step of applying melanin in a cream form to the afflicted skin area in an effective amount sufficient to treat the psoriatic condition.
Claim 9
Dependent Claim 23 words
The method of claim 1 wherein said melanin is applied in combination with an amount of about 2% by weight of salicylic acid.
Claim 10
Dependent Claim 11 words
The method of claim 1 wherein said melanin is synthetically prepared.
Claim 11
Dependent Claim 21 words
The method of claim 6 wherein said melanin is applied in an aqueous solution containing about 6% by weight of melanin.
Claim 12
Dependent Claim 13 words
The method of claim 1 wherein the treated skin area is occluded overnight.

References Cited (Backward Citations)

US3856934A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-10-19 1980-04-19 1980-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-10-19 1984-04-19 1984-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-10-19 1988-04-19 1988-10-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag