US Patent No: 5,286,720

Number of patents in Portfolio can not be more than 2000

Compositions and methods for topical treatment of skin lesions

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Abstract

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Compositions for topical treatment of lesions of human or animal skin which comprise dimethyl ether to freeze the tissue and an acid capable of dissolving the intercellular matrix of the lesion. The dimethyl ether and acid are present in the composition in amounts effective to remove the lesion in a single treatment by a combination of cryogenic and keratolytic action. Methods are provided for the topical treatment of lesions of the skin of human or animal subjects comprising direct spray or intermediate swab application of the present compositions to the lesions.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
STC TECHNOLOGIES, INC.BETHLEHEM, PA1

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Niedbala, Raymond S Allentown, PA 3 34
Vail, Elizabeth A Bethlehem, PA 1 5

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Groupement d'Interet Economique dit: Centre International de Recherches Dermatologieques C.I.R.D. (1)
4,866,095 1,8-dihydroxy-9-anthrones for treating warts or psoriasis 2 1984
 
L'OREAL (1)
5,001,156 Lipophilic quaternary ammonium salicylates, their use in cosmetics and in dermopharmacy 38 1987
 
LUZZI, LOUIS A. (1)
4,711,904 Method of treating skin disorders 7 1986
 
ORASURE TECHNOLOGIES, INC. (1)
4,865,028 Device for carrying out a therapeutic treatment by means of a refrigerant 17 1988
 
PHILIP S. JOHNSON;JOHNSON & JOHNSON (1)
4,294,852 Skin treating compositions 94 1975
 
Strumillo; Maria (1)
4,871,769 2-Trichloroacetoxy-3,4,5,6-tetrachlorobenzoic acid and compositions containing same for treating benign mammalian neoformations 2 1987
 
TSUMURA INTERNATIONAL INC. (1)
4,778,786 Composition for transdermal drug delivery 17 1987
 
UNILEVER PATENT GROUP (1)
5,045,559 Treatment of skin disorders 6 1989
 
Other [Check patent profile for assignment information] (3)
4,224,339 Treatment of disturbed keratinization 19 1978
5,006,338 Wart treatment 38 1988
5,017,587 Treatment of plantar warts using cycloheximide 2 1990

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
ORASURE TECHNOLOGIES, INC. (2)
6,092,527 Method for cooling surfaces 6 1998
6,387,090 Methods and apparatus for cooling surfaces 7 2000
 
BLISTEX INC. (1)
6,428,772 Acne treatment composition with cooling effect 29 2001
 
CROMPTON CORPORATION (1)
6,214,915 Stabilized thermoplastic compositions 34 1998
 
MSD CONSUMER CARE, INC. (1)
7,604,632 Cryosurgery device 2 2005