Patents Assigned to Phytogen
  • Regeneration of cotton plant in suspension culture
    Patent number: 5583036
    Abstract: A method for the regeneration of a cotton plant from somatic cells. The method comprises providing a cotton explant, culturing the explant in a callus growth medium supplemented with glucose as a primary carbon source until the secretion of phenolic compounds has ceased and undifferentiated callus is formed from the explant and culturing the undifferentiated callus in callus growth medium supplemented with sucrose as a primary carbon source until embryogenic callus is formed from the callus.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 10, 1996
    Assignee: Phytogen
    Inventors: Thirumale S. Rangan, Kanniah Rajasekaran
  • Regeneration of cotton
    Patent number: 5244802
    Abstract: There are provided methods for regenerating cotton by tissue and suspension culture starting with explants which are the hypocotyl, cotyledon or immature embryos. This also taught methods to transform cotton and improve cotton by selective growth.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: September 14, 1993
    Assignee: Phytogen
    Inventor: Thirumale S. Rangan
  • Plant vector
    Patent number: 4536475
    Abstract: There are provided herewith vector precursors and vectors based on Pst I cleaved left and right border fragments of the T region of the Ti plasmid Agrobacterium tumefaciens strain of C58 interligated and ligated into the Pst I site of plasmid pBR322. Antibiotic resistance gene sequence is used to establish vector expression and presence in host cells.
    Type: Grant
    Filed: October 5, 1982
    Date of Patent: August 20, 1985
    Assignee: Phytogen
    Inventor: David M. Anderson
  • Controlled growth of mung bean sprouts
    Patent number: 4519163
    Abstract: Mung bean sprouts of increased diameter are grown in an atmosphere containing oxygen and from about 0.5 to about 3 ppmv of a plant-growth regulator of ethylene, acetylene or mixtures thereof, and under a spray of an aqueous solution containing from about 0.1 to about 5 ppm weight-to-volume of a plant-growth hormone, which is 2,4-D, an auxin, or mixtures thereof.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: May 28, 1985
    Assignee: Phytogen
    Inventor: James F. Bonner