Patents by Inventor Marcella Nazzaro-Porro

Marcella Nazzaro-Porro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Use of topically applicable preparations for treatment of presbyderma
    Patent number: 5385943
    Abstract: The invention relates to the use of topically applicable preparations containing alpha,omega-n-alkanedicarboxylic acids with 7 to 13 carbon atoms, their physiologically compatible salts or their esters cleavable by means of enzymes of the skin, as active ingredients for treatment of keratoses.
    Type: Grant
    Filed: April 7, 1993
    Date of Patent: January 31, 1995
    Assignee: Schering Aktiengesellschaft
    Inventor: Marcella Nazzaro-Porro
  • Process for the treatment of hyperpigmentary dermatoses including malignant melanomas
    Patent number: 4818768
    Abstract: There is disclosed a composition for the treatment of acne, hyperpigmentary dermatoses or skin hyperpigmentation which contains dicarboxylic acids containing 7 to 13 carbon atoms or certain derivatives thereof that contain reducing functional group or a salt thereof. There are also disclosed methods for preparing mercapto derivatives of these discarboxylic acids.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: April 4, 1989
    Assignee: Schering AG
    Inventor: Marcella Nazzaro-Porro
  • Process for the treatment of acne
    Patent number: 4386104
    Abstract: There is disclosed a composition for the treatment of acne, hyperpigmentary dermatoses or skin hyperpigmentation which contains dicarboxylic acids containing 7 to 13 carbon atoms or certain derivatives thereof that contain reducing functional group or a salt thereof. There are also disclosed methods for preparing mercapto derivatives of these dicarboxylic acids.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: May 31, 1983
    Inventor: Marcella Nazzaro-Porro
  • Process for treatment of hyperpigmentary dermatoses
    Patent number: 4292326
    Abstract: There is disclosed a composition for the treatment of acne, hyperpigmentary dermatoses or skin hyperpigmentation which contains dicarboxylic acids containing 7 to 13 carbon atoms or certain derivatives thereof that contain reducing functional group or a salt thereof. There are also disclosed methods for preparing mercapto derivatives of these dicarboxylic acids.
    Type: Grant
    Filed: December 1, 1978
    Date of Patent: September 29, 1981
    Inventor: Marcella Nazzaro-Porro