Patents by Inventor Zareen Ahmed

Zareen Ahmed 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).

  • Process for the manufacture of 2-alkoxymethylacrolein
    Patent number: 5506360
    Abstract: There is provided a process for the manufacture of 2-alkoxymethylacrolein compounds via the reaction of an appropriate alcohol and acrolein in the presence of an acid and a trisubstituted amine to form an intermediate and the subsequent reaction of the intermediate with formaldehyde in the presence of an acid and a disubstituted amine. There is also provided a process for the manufacture of 3-alkoxymethylquinolines from 2-alkoxymethylacrolein.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: April 9, 1996
    Assignee: American CYanamid Company
    Inventors: Henry L. Strong, David A. Cortes, Zareen Ahmed
  • Functionalized imidazolinone haptens and protein conjugates thereof useful in assays for the detection of imidazolinone herbicides
    Patent number: 5342771
    Abstract: This invention provides enzyme conjugates, antigens, antibodies and diagnostic test kits used in an enzyme-linked immunosorbent assay method for determining the presence and concentration of imidazolinone compounds.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: August 30, 1994
    Assignee: American Cyanamid Company
    Inventors: Rosie B. Wong, Zareen Ahmed, Milon W. Bullock
  • Process for the manufacture of 2-alkoxymethylacrolein
    Patent number: 5281713
    Abstract: There is provided a process for the manufacture of 2-alkoxymethylacrolein compounds via the reaction of an appropriate alcohol and acrolein in the presence of an acid and a trisubstituted amine to form an intermediate and the subsequent reaction of the intermediate with formaldehyde in the presence of an acid and a disubstituted amine. There is also provided a process for the manufacture of 3-alkoxymethylquinolines from 2-alkoxymethylacrolein.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: January 25, 1994
    Assignee: American Cyanamid Company
    Inventors: Henry L. Strong, David A. Cortes, Zareen Ahmed
  • .DELTA..sup.23 -LL-F28249 compounds
    Patent number: 5019589
    Abstract: The present invention relates to novel derivatives of LL-F28249 compounds wherein the 23-hydroxy group is eliminated to introduce a double bond at the 23,24 position. These resulting derivatives are .DELTA..sup.23 -LL-F28249 compounds. These LL-F28249 precursor compounds preferably are derived via a controlled microbiological fermentation of Streptomyces cyaneogriseus subsp. noncyanogenus having deposit accession number NRRL 15773. The novel derivatives of the present invention possess activity as anthelmintic, ectoparasitic, insecticidal, acaricidal and nematicidal agents. They also are useful in areas of human and animal health and in agricultural crops.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: May 28, 1991
    Assignee: American Cyanamid Company
    Inventors: Goro Asato, Zareen Ahmed