Patents by Inventor Edward E. Nishizawa

Edward E. Nishizawa 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).

  • Dianisyl thiazole compound, compositions and method of antithrombotic treatment
    Patent number: 4168315
    Abstract: Novel compounds of Formula I: ##STR1## in association with a pharmaceutical carrier. The compositions are useful in vitro and in vivo for reduction of platelet adhesiveness and inhibition of platelet aggregation and preventing or treating disease conditions resulting from increased platelet adhesiveness or platelet aggregation.
    Type: Grant
    Filed: September 28, 1977
    Date of Patent: September 18, 1979
    Assignee: The Upjohn Company
    Inventors: Ronald H. Rynbrandt, Edward E. Nishizawa
  • Compositions having inhibited ability to promote platelet aggregation or fibrin clot formation
    Patent number: 4008208
    Abstract: A composition which comprises a substance which is a substituted aromatic and which inhibits the thrombotic or clotting activity of a material, chemically bonded through an --N=N-- grouping to a second aromatic which is chemically bonded at a sulfonyl grouping through a nitrogen containing chemical bond to a material which is susceptible to interaction with a nitrene.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: February 15, 1977
    Assignee: The Upjohn Company
    Inventors: Daniel Lednicer, Edward E. Nishizawa
  • Aromatic azo sulfonylnitrene compounds
    Patent number: 3975371
    Abstract: Compounds of the structure ##SPC1##Wherein R and R.sub.1 are the same or different and are selected from the group consisting of hydrogen, halogen, and alkyl from one to four carbon atoms, inclusive, and R.sub.2 is a substance which inhibits thrombogenic or clotting activity of a material and is that portion of a substituted aromatic which couples with a diazonium salt.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: August 17, 1976
    Assignee: The Upjohn Company
    Inventors: Daniel Lednicer, Edward E. Nishizawa
  • Photochemical process
    Patent number: 3954583
    Abstract: A new process for coating materials which are susceptible to interaction with an aromatic sulfonyl nitrene which involves contacting an aromatic sulfonylazide with said material and irradiating.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: May 4, 1976
    Assignee: The Upjohn Company
    Inventors: Daniel Lednicer, Edward E. Nishizawa