Patents by Inventor Judith Menschik

Judith Menschik 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).

  • Substituted 3-(4-imidazolylmethylene)carbazic and thiocarbazic acid esters
    Patent number: 4124766
    Abstract: There are provided substituted 3-(4-imidazolyl-methylene)carbazic acid esters and 3-(4-imidazolylmethylene)dithiocarbazic acid esters useful as intermediates for the preparation of compounds which inhibit the enzyme cyclic-AMP phosphodiesterase.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: November 7, 1978
    Assignee: American Cyanamid Company
    Inventors: Rolf Paul, Judith Menschik
  • Imidazo-[1,5-d]-as-triazin-1(2H)-ones and method of ameliorating asthma
    Patent number: 4115572
    Abstract: There are provided substituted imidazo[1,5-d]-as-triazin-1(2H)-ones useful as anti-asthmatic agents.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: September 19, 1978
    Assignee: American Cyanamid Company
    Inventors: Rolf Paul, Judith Menschik
  • Substituted imidazo[1,2-d]-as-triazines
    Patent number: 4107309
    Abstract: This disclosure describes novel 5-substituted imidazo[1,2-d]-as-triazines useful as anti-asthmatic agents and as inhibitors of the enzyme cyclic-AMP phosphodiesterase.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: August 15, 1978
    Assignee: American Cyanamid Company
    Inventors: Rolf Paul, Judith Menschik
  • Imidazo [1,5-d]-as-triazine-4(3H)-ones and thiones
    Patent number: 4107307
    Abstract: There is provided substituted imidazo[1,5-d]-as-triazine-4(3H)-ones and substituted imidazo[1,5-d]-as-triazin-4(3H)-thiones useful as inhibitors of the enzyme cyclic-AMP phosphodiesterase and as broad spectrum herbicides.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: August 15, 1978
    Assignee: American Cyanamid Company
    Inventors: Rolf Paul, Judith Menschik
  • Imidazo[1,5-d]-as-triazines
    Patent number: 4107308
    Abstract: There are provided novel substituted imidazo-[1,5-d]-as-triazines useful as hypotensive agents as well as exhibiting herbicidal activity.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: August 15, 1978
    Assignee: American Cyanamid Company
    Inventors: Rolf Paul, Judith Menschik
  • Substituted imidazo [1,2-d]-as-triazines
    Patent number: 4096257
    Abstract: This disclosure describes 5-n-propyl-imidazo[1,2-d]-as-triazin-8(7H)-one and 5-phenyl-imidazo[1,2-d]-as-triazin-8(7H)-one which are useful as anti-asthmatic agents and as inhibitors of the enzyme cyclic-AMP phosphodiesterase.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: June 20, 1978
    Assignee: American Cyanamid Company
    Inventors: Judith Menschik, Rolf Paul
  • Imidazo[1,5-d]-as-triazine-4(3H)-ones and thiones
    Patent number: RE30511
    Abstract: There is provided substituted imidazo[1,5-d]-as-triazine-4(3H)-ones and substituted imidazo[1,5-d]-as-triazin-4(3H)-thiones useful as inhibitors of the enzyme cyclic-AMP phosphodiesterase and as broad spectrum herbicides.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: February 10, 1981
    Assignee: American Cyanamid Company
    Inventors: Rolf Paul, Judith Menschik