Patents by Inventor Flora Chow

Flora Chow 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).

  • Process and reagents for processing synthetic oligonucleotides
    Patent number: 5656741
    Abstract: Reagents useful for the rapid processing of synthetic oligonucleotides, including a basic reagent for the cleavage and deprotection of the synthesized oligonucleotides from a support, and a precipitating reagent useful for recovering the synthesized oligonucleotide by precipitation from solution. The basic reagent optionally includes a wetting agent useful for the cleavage from lipophilic supports.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: August 12, 1997
    Assignee: Barrskogen, Inc.
    Inventors: Flora Chow, Tomas Kempe
  • Apparatus for processing biopolymer-containing columns
    Patent number: 5496473
    Abstract: An apparatus has been designed that is useful for the automated or semi-automated removal, recovery, deprotection, and/or purification of biopolymers such as oligodeoxyribonucleotides, oligoribonucleotides, oligosaccharides, and peptides from a solid support matrix that is contained in a reaction chamber in the shape of a column.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: March 5, 1996
    Assignee: Barrskogen, Inc.
    Inventor: Flora Chow
  • Calcitonin analogs with C-terminal D-amino acid substituents
    Patent number: 4652627
    Abstract: New calcitonin analogs are disclosed which have biological activity of the same type as known calcitonins and which have a D-amino acid substituent in at least one of the positions 31 and 32 instead of the natural L-amino acid units. The calcitonin analog may be analogs of salmon, eel, chicken, bovine, porcine, ovine, murine or human calcitonins.
    Type: Grant
    Filed: August 16, 1985
    Date of Patent: March 24, 1987
    Inventors: Tomas G. Kempe, Flora Chow