Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Light application
Reexamination Certificate
1998-12-03
2001-02-06
Cohen, Lee (Department: 3739)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Light application
C607S090000
Reexamination Certificate
active
06183500
ABSTRACT:
TECHNICAL FIELD
This invention discloses a process for the cosmetic treatment of acne vulgaris by irradiation of the affected skin areas with light and an apparatus for the application of the process.
BACKGROUND ART
A known process uses UV light for the irradiation of the face. This, however, has the possible disadvantage of erythema formation or an undesirable oxidation of skin pigments.
Also known is a treatment with a cream containing approximately 0,5% benzoyl peroxide. The disadvantage of this treatment is possible skin dryness.
DISCLOSURE OF INVENTION
It is an object of the present invention to provide a process and an apparatus for the treatment of acne which not only eliminates the known disadvantages but also results in an excellent cosmetic effect.
REFERENCES:
patent: 4930504 (1990-06-01), Diamantopoulos et al.
patent: 5549660 (1996-08-01), Mendes et al.
Brooks & Kushman P.C.
Cohen Lee
Guy Nick
SLI Lichtsysteme GmbH
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