Patents by Inventor Anna B. Kootstra

Anna B. Kootstra 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).

  • Phenylalainine ammonia lyase polypeptide and polynucleotide sequences and methods of obtaining and using same
    Patent number: 6967097
    Abstract: The present provides a Rhodotorula phenylalanine lyase polypeptide, polynucleotides that encode the polypeptide, and methods of obtaining and using these products. In particular the polypeptide can be employed for the production of phenylalanine, phenylalanine analogs, and optically active unnatural amino acids having phenylalanine-like structures.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: November 22, 2005
    Assignee: PCBU Services, Inc.
    Inventors: Roberta K. Yoshida, Anna B. Kootstra
  • Phenylalanine ammonia lyase polypeptide and polynucleotide sequences and methods of obtaining and using same
    Publication number: 20020102712
    Abstract: The present provides a Rhodotorula phenylalanine lyase polypeptide, polynucleotides that encode the polypeptide, and methods of obtaining and using these products. In particular the polypeptide can be employed for the production of phenylalanine, phenylalanine analogs, and optically active unnatural amino acids having phenylalanine-like structures.
    Type: Application
    Filed: August 24, 2001
    Publication date: August 1, 2002
    Applicant: PCBU Services, Inc.
    Inventors: Roberta K. Yoshida, Anna B. Kootstra
  • Phenylalanine ammonia lyase polypeptide and polynucleotide sequences and methods of obtaining and using same
    Patent number: 6355468
    Abstract: The present provides a Rhodotorula phenylalanine lyase polypeptide, polynucleotides that encode the polypeptide, and methods of obtaining and using these products. In particular the polypeptide can be employed for the production of phenylalanine, phenylalanine analogs, and optically active unnatural amino acids having phenylalanine-like structures.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: March 12, 2002
    Assignee: PCBU Services, Inc.,
    Inventors: Roberta K. Yoshida, Anna B. Kootstra