Patents by Inventor Soeren Kjaerulff

Soeren Kjaerulff 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: 6204232
    Abstract: The invention relates to a variant of a parent Termamyl-like &agr;-amylase, which exhibits an alteration in at least one of the following properties relative to said parent &agr;-amylase: i) improved pH stability at a pH from 8 to 10.5; and/or ii) improved Ca2+ stability at pH 8 to 10.5, and/or iii) increased specific activity at temperatures from 10 to 60° C.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: March 20, 2001
    Assignee: Novo Nordisk A/S
    Inventors: Torben Vedel Borchert, Allan Svendsen, Carsten Andersen, Bjarne Nielsen, Torben Lauesgaard Nissen, Søren Kjærulff
  • Patent number: 6197565
    Abstract: The invention relates to a variant of a parent Termamyl-like &agr;-amylase, comprising mutations in two, three, four, five or six regions/positions. The variants have increased stability at high temperatures (relative to the parent). The invention also relates to a DNA construct comprising a DNA sequence encoding an &agr;-amylase variant of the invention, a recombinant expression vector which carries a DNA construct of the invention, a cell which is transformed with a DNA construct of the invention, the use of an &agr;-amylase variant of the invention for washing and/or dishwashing, textile desizing, starch liquefaction, a detergent additive comprising an &agr;-amylase variant of the invention, a manual or automatic dishwashing detergent composition comprising an &agr;-amylase variant of the invention, a method for generating a variant of a parent Termamyl-like &agr;-amylase, which variant exhibits increased.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: March 6, 2001
    Assignees: Novo-Nordisk A/S, Novo Alle
    Inventors: Allan Svendsen, Sóeren Kjaerulff, Henrik Bisgaard-Frantzen, Carsten Andersen