Patents by Inventor Alex Sivan

Alex Sivan 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: 20160053070
    Abstract: The present invention provides a composition including polyethylene and laccase wherein the laccase has an optimal specific activity at a temperature of 60° C. to 100° C. and/or in the presence of xylan. Furthermore, the invention covers a method for biodegrading/decomposing plastic by contacting laccase with an optimal specific activity at a temperature of 60° C. to 100° C. with plastic or contacting a microorganism expressing a laccase with an optimal specific activity at a temperature of 60° C. to 100° C. with plastic.
    Type: Application
    Filed: April 6, 2014
    Publication date: February 25, 2016
    Applicant: B.G NEGEV TECHNOLOGIES LTD.
    Inventors: Alex Sivan, Amir Aharoni, Or Press
  • Patent number: 4915944
    Abstract: A biological control agent comprising the mycoparasite Trichoderma harzianum T-315 (ATCC No. 20671), which is characterized by fungicidal activity against fungi of the genera Pythium, Rhizoctonia, Sclerotium and Fusarium. This strain is useful for controlling damping-off, root-rot, crown-rot and neck-rot in seedling crops. This strain is also resistant to chemical pesticides and soil-sterilants and useful for integrated biological and chemical control of soil-borne pathogens.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: April 10, 1990
    Assignee: Yissum Research Development Corp. of the Hebrew University of Jerusalem
    Inventors: Ilan Chet, Alex Sivan, Yigal Elad
  • Patent number: 4748021
    Abstract: A biological control agent comprising the antifungal agent Trichoderma harzianum T-35 (ATCC No. 20691), which is characterized by antifungal activity against fungi of the genus Fusarium. This strain is useful for protecting most crops affected by the fungus Fusarium spp. and is more active than other previously disclosed strains. Biocontrol compositions containing T. harzianum T-35 (ATCC No. 20691) provide antifungal protection to a broad spectrum of plants, including wheat, cotton, melons and tomatoes.
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: May 31, 1988
    Assignee: Yissum Research and Development Company of the Hebrew University of Jerusalem
    Inventors: Ilan Chet, Alex Sivan
  • Patent number: 4713342
    Abstract: A biological control agent comprising the mycoparasite Trichoderma harzia T-315 (ATCC No. 20671), which is characterized by fungicidal activity against fungi of the genera Pythium, Phizoctonia, Sclerotium and Fusarium. This strain is useful for controlling damping-off, root-rot, crown-rot and neck-rot in seedling crops. This strain is also resistant to chemical pesticides and soil-sterilants and useful for integrated biological and chemical control of soil-borne pathogens.
    Type: Grant
    Filed: March 13, 1984
    Date of Patent: December 15, 1987
    Assignee: Yissum Research Development Co. of the Hebrew University of Jerusalem
    Inventors: Ilan Chet, Alex Sivan, Yigal Elad