Patents by Inventor Dowen Birkhed

Dowen Birkhed 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).

  • Publication number: 20150020821
    Abstract: The invention relates to oral smokeless tobacco products and oral smokeless non-tobacco snuff products comprising carbamide or carbamide salt(s). Moreover, use of carbamide or carbamide salt(s) in the manufacturing of an oral smokeless tobacco products or oral smokeless non-tobacco snuff product is disclosed.
    Type: Application
    Filed: October 6, 2014
    Publication date: January 22, 2015
    Inventors: Herman Norstrom, Dowen Birkhed
  • Patent number: 8875716
    Abstract: Oral smokeless tobacco products and oral smokeless non-tobacco snuff products include carbamide or carbamide salt(s). The carbamide salt is chosen from the group including carbamide calcium sulphate [4(CH4N2O).CaSO4], carbamide magnesium sulphate [6(CH4N2O).MgSO4.2H2O] and carbamide sodium chloride [CH4N2O).NaCl.H2O]. Moreover, carbamide or carbamide salt(s) are used in the manufacturing of oral smokeless tobacco products or oral smokeless non-tobacco snuff products.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 4, 2014
    Assignee: Swedish Match North Europe AB
    Inventors: Herman Norström, Dowen Birkhed
  • Publication number: 20130053603
    Abstract: Oral smokeless tobacco products and oral smokeless non-tobacco snuff products include carbamide or carbamide salt(s). The carbamide salt is chosen from the group including carbamide calcium sulphate [4(CH4N2O).CaSO4], carbamide magnesium sulphate [6(CH4N2O).MgSO4.2H2O] and carbamide sodium chloride [CH4N2O).NaCl.H2O]. Moreover, carbamide or carbamide salt(s) are used in the manufacturing of oral smokeless tobacco products or oral smokeless non-tobacco snuff products.
    Type: Application
    Filed: February 15, 2011
    Publication date: February 28, 2013
    Applicant: SWEDISH MATCH NORTH EUROPE AB
    Inventors: Herman Norström, Dowen Birkhed