Patents by Inventor Gregg Feigelson

Gregg Feigelson 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 synthesis of derivatives of 2,3-dihydro-1,4-dioxino- [2,3-f] quinoline
    Patent number: 6693197
    Abstract: Methods of preparing compounds of Formula I are provided.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: February 17, 2004
    Assignee: Wyeth
    Inventors: Anita W. Chan, Timothy T. Curran, Silvio Iera, Warren Chew, John H. Sellstedt, Galina Vid, Gregg Feigelson, Zhixian Ding
  • Process for the synthesis of derivatives of 2, 3-dihydro-1, 4-dioxino- [2, 3-f] quinoline
    Publication number: 20020187983
    Abstract: Methods of preparing compounds of Formula I 1
    Type: Application
    Filed: May 14, 2002
    Publication date: December 12, 2002
    Applicant: Wyeth
    Inventors: Anita W. Chan, Timothy T. Curran, Silvio Iera, Warren Chew, John H. Sellstedt, Galina Vid, Gregg Feigelson, Zhixian Ding
  • 2-substituted alkyl-3-carboxy carbapenems as antibiotics and a method of producing them
    Patent number: 5480987
    Abstract: The invention provides substituted allylazetidinone compounds having the formula: ##STR1## and propargyl azetidinone compounds having the formula: ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.30, X, Y and Q are defined in the specification.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: January 2, 1996
    Assignee: American Cyanamid Company
    Inventors: Carl B. Ziegler, Jr., William V. Curran, Gregg Feigelson
  • 2-substituted alkyl-3-carboxy carbopenems as antibiotics and a method of producing them
    Patent number: 5369102
    Abstract: The invention relates to new 2-substituted alkyl-3-carboxy carbapenems having the formula: ##STR1## with R.sup.1, R.sup.2, R.sup.3, X and Y defined hereafter as antibiotics and beta lactamase inhibitors produced by a novel Michael addition-elimination reaction of a substituted allyl azetidinone in the reaction shown: ##STR2## with R.sup.1, R.sup.2, Q, X and Y defined hereafter.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: November 29, 1994
    Assignee: American Cyanamid Company
    Inventors: Carl B. Ziegler, Jr., William V. Curran, Gregg Feigelson
  • Novel 2-substituted alkyl-3-carboxy carbapenems as antibiotics and a method of producing them
    Patent number: 5068232
    Abstract: The invention relates to new 2-substituted alkyl-3-carboxy carbapenems having the formula: ##STR1## with R.sup.1, R.sup.2, R.sup.3, X and Y defined hereafter as antibiotics and beta lactamase inhibitors produced by a novel Michael addition-elimination reaction of a substituted allyl azetidinone in the reaction shown: ##STR2## with R.sup.1, R.sup.2, Q, X and Y defined hereafter.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: November 26, 1991
    Assignee: American Cyanamid Company
    Inventors: Carl B. Ziegler, Jr., William V. Curran, Gregg Feigelson