Patents by Inventor Abraham Hartzshtark

Abraham Hartzshtark 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).

  • Compositions containing 1.alpha.-hydroxycholecalciferol for topical treatment of skin disorders and methods employing same
    Patent number: 4610978
    Abstract: Cosmetic and dermatological compositions containing 1.alpha.-hydroxycholeciferol and a suitable carrier useful in topical treatment of skin disorders and methods employing same are disclosed. Compositions containing 1.alpha.,25-dihydroxycholecalciferol and a suitable carrier and methods employing same are also disclosed for dermatological and cosmetic uses. Various formulations of the compositions including creams, lotions, ointments and sprays are disclosed for use in accordance with this invention. The compositions and formulations may contain additional active ingredients.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: September 9, 1986
    Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventors: Shabtay Dikstein, Abraham Hartzshtark
  • Compositions containing 1.alpha.-hydroxycholecalciferol for topical treatment of skin disorders and methods employing same
    Patent number: RE33107
    Abstract: Cosmetic and dermatological compositions containing 1.alpha.-hydroxycholeciferol and a suitable carrier useful in topical treatment of skin disorders and methods employing same are disclosed. Compositions containing 1.alpha.,25-dihydroxycholecalciferol and a suitable carrier and methods employing same are also disclosed for dermatological and cosmetic uses. Various formulations of the compositions including creams, lotions, ointments and sprays are disclosed for use in accordance with this invention. The compositions and formulations may contain additional active ingredients.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: November 7, 1989
    Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventors: Shabtay Dikstein, Abraham Hartzshtark