Patents by Inventor Ruhangiz D. Nargessi

Ruhangiz D. Nargessi 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).

  • Patent number: 7264927
    Abstract: A method for the isolation and purification of nucleic acids such as DNA, RNA, and PNA from various sources using cellulose particles or cellulose paper. Adjusting the concentrations of the salt and polyalkylene glycol to the levels that result in binding of nucleic acids to the cellulose particles or cellulose paper. Separating the nucleic acids bound to the cellulose particles or paper and eluting the nucleic acids from the particles or paper.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: September 4, 2007
    Assignee: Cortex Biochem, Inc.
    Inventors: Ruhangiz D. Nargessi, Matt Pourfarzaneh
  • Patent number: 6855499
    Abstract: A method for the isolation and purification of nucleic acids such as DNA, RNA, and PNA from various sources using magnetizable cellulose or its derivatives. Adjusting the concentrations of the salt and polyalkylene glycol to the levels that result in binding of nucleic acids to the magnetizable cellulose or its derivatives. Separating the nucleic acids bound to the magnetizable cellulose particles or its derivatives and eluting the nucleic acids from the particles.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: February 15, 2005
    Assignee: Cortex Biochem, Inc.
    Inventor: Ruhangiz D. Nargessi