Patents by Inventor Jacob D. Peuler

Jacob D. Peuler 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).

  • Radioenzymatic assay of catecholamines
    Patent number: 4423144
    Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(H)catecholamine and the subsequent measurement of radioactivity.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: December 27, 1983
    Assignee: The Upjohn Company
    Inventors: Garland A. Johnson, Jacob D. Peuler
  • Radioenzymatic assay of catecholamines
    Patent number: 4288542
    Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated (.sup.3 H)catecholamine and the subsequent measurement of radioactivity.
    Type: Grant
    Filed: August 8, 1978
    Date of Patent: September 8, 1981
    Assignee: The Upjohn Company
    Inventors: Garland A. Johnson, Jacob D. Peuler
  • Method for preparing vanillin and composition therefor
    Patent number: 4287368
    Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-0-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the 0-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.
    Type: Grant
    Filed: February 26, 1980
    Date of Patent: September 1, 1981
    Assignee: The Upjohn Company
    Inventors: Garland A. Johnson, Jacob D. Peuler
  • Radioenzymatic assay of catecholamines
    Patent number: 4284587
    Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: August 18, 1981
    Assignee: The Upjohn Company
    Inventors: Garland A. Johnson, Jacob D. Peuler
  • Radioenzymatic assay of catecholamines
    Patent number: 4242456
    Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: December 30, 1980
    Assignee: The Upjohn Company
    Inventors: Garland A. Johnson, Jacob D. Peuler
  • Radioenzymatic assay of catecholamines
    Patent number: 4242222
    Abstract: A new radioenzymatic assay for catecholamines utilizing the catechol-O-methyl transferase transfer of a methyl group from a labeled methyl donor to the catecholamines followed by isolation of the O-methylated(.sup.3 H)catecholamine and the subsequent measurement of radioactivity.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: December 30, 1980
    Assignee: The Upjohn Company
    Inventors: Garland A. Johnson, Jacob D. Peuler