Patents Assigned to Biotecx Laboratories, Inc.
  • RNA separation
    Patent number: 5777099
    Abstract: An improved process for the separation of RNA from a liquid sample of biological origin containing RNA comprises (a) intimately contacting the sample with a two-phase composition wherein the upper phase is predominately phenol and the lower phase is an aqueous solution comprising at least one water-soluble guanidinium salt, a buffer and urea, the water content of the aqueous phase being relatively low, (b) adding a relatively dense water-insoluble solvent and (c) recovering RNA from the resulting aqueous phase.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: July 7, 1998
    Assignee: Biotecx Laboratories, Inc.
    Inventor: Manmohan Mehra