Patents by Inventor ?sa Hellman

?sa Hellman 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).

  • Effervescent solid composition of matter
    Patent number: 7153492
    Abstract: An effervescent solid composition of matter is provided, which comprises, as an active component, a substance selected from chitosan, its derivatives and salts thereof and a second component capable of releasing CO2 in an acidic environment. Also, methods for treatment of a mammal suffering from a dermal wound, or for prophylactic or wound-healing treatment of lactating animals prone to develop or suffering from mastitis, are provided. The methods comprise the steps of: a) admixing said effervescent solid composition of matter with an aqueous liquid to form a solution or suspension thereof; b) contacting said animals with said solution or suspension to provide such treatment.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: December 26, 2006
    Assignee: Medicarb AB
    Inventors: Torbjörn Mathisen, Marcus Back, Åsa Hellman
  • Effervescent solid composition of matter
    Patent number: 6896902
    Abstract: An effervescent solid composition of matter is provided, which comprises, as an active component, a substance selected from chitosan, its derivatives and salts thereof and a second component capable of releasing CO2 in an acidic environment. Also, methods for treatment of a mammal suffering from a dermal wound, or for prophylactic or wound-healing treatment of lactating animals prone to develop or suffering from mastitis, are provided. The methods comprise the steps of: a) admixing said effervescent solid composition of matter with an aqueous liquid to form a solution or suspension thereof; b) contacting said animals with said solution or suspension to provide such treatment.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: May 24, 2005
    Assignee: MEDICARB AB
    Inventors: Torbjörn Mathisen, Marcus Back, Åsa Hellman