Patents Examined by Michelle Johnson
  • Saccharomyces strains for maltose fermentation
    Patent number: 5190877
    Abstract: Methods and compositions are provided relating to yeasts capable of improved fermentation of sugars. Particularly, genes from the MAL locus are used for transformation of yeast hosts, where the genes are under the wild-type promoter or a strong promoter which provides for regulatable or constitive expression under the conditions of fermentation. Particularly, the yeast hosts find use in the leavening of dough.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 2, 1993
    Assignee: Gist-brocades N.V.
    Inventors: Klaas A. Osinga, Robert F. Beudeker, Johannes B. Van der Platt, Johannes A. de Hollander
  • Increased expression of HBcAg
    Patent number: 5175094
    Abstract: The invention relates to increased expression of HBcAg. Methods are disclosed which exhibit increased levels of expression of HBcAg. Increased levels of expression is also achieved by various modifications of the HBcAg sequence.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: December 29, 1992
    Assignee: Becton Dickinson and Company
    Inventor: Richard L. Mallonee
  • DNA sequences with increased expression of HBcAg
    Patent number: 5175272
    Abstract: The invention relates to increased expression of HBcAg. DNA Sequences are disclosed which exhibit increased levels of expression of HBcAg. Increased levels of expression is also achieved by various modifications of the HBcAg sequences.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: December 29, 1992
    Assignee: Becton Dickinson and Company
    Inventor: Richard L. Mallonee
  • Vectors and hosts with increased expression of HBCAG
    Patent number: 5173427
    Abstract: The invention relates to vectors and hosts with increased expression of HBcAg.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: December 22, 1992
    Assignee: Becton Dickinson and Company
    Inventor: Richard L. Mallonee
  • Fermentation processes using amylolytic enzyme producing microorganisms
    Patent number: 5151354
    Abstract: This invention provides a method for producing amylolytic enzymes by culturing a microorganism, having received as a result of recombinant DNA technology DNA sequences from a donor yeast comprising the coding sequences for the amylolytic enzymes wherein the host microorganism is capable of expressing said amylolytic enzymes. Furthermore, this invention provides microorganisms genetically engineered as to being able to produce and express the amylolytic enzymes, a vector containing the DNA sequences, coding for the amylolytic enzymes and the respective DNA sequences. The said host microorganisms are useful in the production of biomass and many fermentation processes, preferably in the production of special beers.
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: September 29, 1992
    Assignee: Cornelius Hollenberg
    Inventors: Alexander Strasser, Feodor B. Martens, Jurgen Dohmen, Cornelius P. Hollenberg