Global patent index - EP 0739209 A4

EP 0739209 A4 2000-04-12 - METHOD FOR TREATMENT OF PAPULO-PUSTULES AND COMEDONES OF THE SKIN

Title (en)

METHOD FOR TREATMENT OF PAPULO-PUSTULES AND COMEDONES OF THE SKIN

Title (de)

VERFAHREN ZUR BEHANDLUNG VON PAPULO-PUSTELN UND KOMEDONEN DER HAUT

Title (fr)

PROCEDE DE TRAITEMENT DES PAPULOPUSTULES ET DES COMEDONS DE LA PEAU

Publication

EP 0739209 A4 (EN)

Application

EP 95905978 A

Priority

  • US 9414536 W
  • US 16984393 A
  • US 25024894 A

Abstract (en)

[origin: WO9516454A1] Papulo-pustules in the skin of patients suffering from various forms of acne, folliculitis and rosacea may be rapidly resolved by a spot therapy which involves topically applying to the exterior surface of the papulo-pustule (pimple) an aqueous solution containing hydrogen peroxide and preferably also at least one fruit acid and/or salicylic acid. A preferred fruit acid is glycolic acid. Both open and closed comedones are also effectively treated by spot therapy with the aqueous solution containing hydrogen peroxide, fruit acid and salicylic acid. The solution preferably contains 3 to 6 weight percent hydrogen peroxide, 2 to 4 weight percent glycolic acid and 2 to 4 weight percent salicylic acid, and is preferably applied 2 to 3 times daily. Treatments continue for 1 to 3 days when directed to papulo-pustules and 7 to 20 days when directed to comedones. The therapy also substantially reduces or avoids hyperpigmentation and scarring after resorption of the papulo-pustules. Application of the hydrogen peroxide solution to the earliest spot (lesion) prevents development of larger papulo-pustules and reduces the possibility of scarring and hyperpigmentation.

IPC 1-7 (main, further and additional classification)

A61K 33/40; A61K 31/19

IPC 8 full level (invention and additional information)

A61K 33/40 (2006.01)

CPC (invention and additional information)

A61K 33/40 (2013.01)

Combination set (CPC)

  1. A61K 33/40 + A61K 31/60 + A61K 31/19
  2. A61K 33/40 + A61K 2300/00

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9516454 A1 19950622; AU 1438295 A 19950703; CA 2179188 A1 19950622; CZ 9601781 A3 19970312; EP 0739209 A1 19961030; EP 0739209 A4 20000412

INPADOC legal status

2000-11-29 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20000411

2000-04-12 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20000225

2000-04-12 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

2000-04-12 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7A 61K 33/40 A, 7A 61K 31/19 B, 7A 61K 33/40 J, 7A 61K 31:19 J

1996-10-30 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19960618

1996-10-30 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

1996-10-30 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: LT;SI

1996-10-30 [RAX] REQUESTED EXTENSION STATES OF THE EUROPEAN PATENT HAVE CHANGED

- Ref Legal Event Code: RAX

- Free Format Text: LT;SI