Patents by Inventor Michael Robert Cohen

Michael Robert Cohen 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).

  • 1-(2-Aminoethyl)-3-(2,6-dihalophenyl)guanidines
    Patent number: 4113776
    Abstract: Antihypertensively active thiourea derivatives of the formulas ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3 and X are as hereinafter described, as well as a method of using a compound of the formula ##STR2## wherein R.sub.1 ', R.sub.2 ', R.sub.3 and X are as previously described, or a compound of formula II as an anti-hypertensive agent, is described.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: September 12, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Robert Cohen, Richard Wightman Kierstead, Jefferson Wright Tilley
  • Thiourea derivatives for treating hypertension
    Patent number: 4096276
    Abstract: Antihypertensively active thiourea derivatives of the formulas ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3 and X are as hereinafter described,As well as a method of using a compound of the formula ##STR2## wherein R.sub.1 ', R.sub.2 ', R.sub.3 and X are as previously described,Or a compound of formula II as an anti-hypertensive agent, is described.
    Type: Grant
    Filed: January 27, 1977
    Date of Patent: June 20, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Robert Cohen, Richard Wightman Kierstead, Jefferson Wright Tilley
  • Thiourea derivatives
    Patent number: 4066695
    Abstract: Antihypertensively active thiourea derivatives of the formulas ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3 and X are as hereinafter described, as well as a method of using a compound of the formula ##STR2## wherein R.sub.1 ', R.sub.2 ', R.sub.3 and X are as previously described, or a compound of formula II as an anti-hypertensive agent, is described.
    Type: Grant
    Filed: January 27, 1977
    Date of Patent: January 3, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Robert Cohen, Richard Wightman Kierstead, Jefferson Wright Tilley