Patents by Inventor Stephen Cherkez

Stephen Cherkez 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).

  • Topical compositions of urea and ammonium lactate
    Publication number: 20050037040
    Abstract: Pharmaceutical, cosmetic and cosmeceutical compositions for topical application, containing, as active ingredients, urea and/or derivatives thereof and alpha-hydroxy acid and/or an ammonium salt thereof, such as ammonium lactate, processes of manufacturing same and use of same in the treatment of medical and cosmetic skin and scalp conditions.
    Type: Application
    Filed: May 21, 2004
    Publication date: February 17, 2005
    Inventors: Moshe Arkin, Nir Avram, Olga Buriakovsky, Amira Zeevi, Benjamin Schneider, Stephen Cherkez, Stella Nivy
  • Stable amorphous calcium pseudomonate and processes for the preparation thereof
    Publication number: 20040039049
    Abstract: The invention provides stable amorphous calcium pseudomonate.
    Type: Application
    Filed: May 15, 2003
    Publication date: February 26, 2004
    Applicant: CHEMAGIS LTD
    Inventors: Alexander Weisman, Joseph Kaspi, Stephen Cherkez
  • Pharmaceutical compositions containing mupirocin
    Patent number: 6489358
    Abstract: The invention provides stable pharmaceutical preparations for topical and nasal uses, comprising Mupirocin calcium amorphous as an anti-microbial active agent therein, dissolved in a pharmaceutically acceptable solvent providing stability therefore.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: December 3, 2002
    Assignee: Agis Industries (1983) Ltd.
    Inventors: Ilana Lavon, Amira Zeevi, Stephen Cherkez, Moshe Arkin, Joseph Kaspi, Chalil Abu-Gnim, Yoav Racchav
  • Pharmaceutical compositions containing mupirocin
    Publication number: 20020028843
    Abstract: The invention provides stable pharmaceutical preparations for topical and nasal uses, comprising Mupirocin calcium amorphous as an anti-microbial active agent therein, dissolved in a pharmaceutically acceptable solvent providing stability therefore.
    Type: Application
    Filed: July 18, 2001
    Publication date: March 7, 2002
    Inventors: Ilana Lavon, Amira Zeevi, Stephen Cherkez, Moshe Arkin, Joseph Kaspi, Chalil Abu-Gnim, Yoav Racchav
  • Process for the purification of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol and its salts
    Patent number: 5414129
    Abstract: A process for the improved purification and separation of trans 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol hydrochloride from a reaction mixture containing the trans isomer, the cis isomer and Grignard reaction side products, comprising combining the mixture with a solution of hydrochloric acid in a low molecular weight alcohol or with gaseous hydrogen chloride in the presence of an organic solvent selected from medium molecular weight alcohols, ketones, esters and ethers or aromatic ethers, to effect the selective precipitation of trans 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol hydrochloride.
    Type: Grant
    Filed: September 8, 1993
    Date of Patent: May 9, 1995
    Assignee: Chemagis, Ltd.
    Inventors: Stephen Cherkez, Ori Lerman, Michael Tennenbaum, Hasalia Avner, Tamar Kunyevski