Patents by Inventor Gabor Butora

Gabor Butora 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).

  • Cyclopentyl modulators of chemokine receptor activity
    Patent number: 6545023
    Abstract: The present invention is directed to compounds of the formula I: (wherein R1, R2, R3, R4, R5, R6 and X are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: April 8, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Lihu Yang, Gabor Butora, William H. Parsons, Alexander Pasternak
  • Cyclopentyl modulators of chemokine receptor activity
    Publication number: 20020049222
    Abstract: The present invention is directed to compounds of the formula I: 1
    Type: Application
    Filed: August 16, 2001
    Publication date: April 25, 2002
    Inventors: Lihu Yang, Gabor Butora, William H. Parsons, Alexander Pasternak
  • Process for preparing a morphinan derivative
    Patent number: 6242604
    Abstract: A process for preparing a morphinan derivative, by providing a dihydrofuranyl bridged tetracycle halide of the formula (19) wherein X is halogen, R is an alkyl group of from 1 to about 10 carbon atoms, and R1 is a protecting group; and converting the pentacycle halide into a morphinan derivative of formula (20) wherein R is as defined above.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: June 5, 2001
    Assignee: Mallinckrodt Inc.
    Inventors: Tomas Hudlicky, Gabor Butora
  • Process for preparing a morphinan derivative
    Patent number: 6136979
    Abstract: A process for preparing a morphinan derivative, by providing a dihydrofuranyl bridged tetracycle halide of the formula (19) ##STR1## wherein X is halogen, R is an alkyl group of from 1 to about 10 carbon atoms, and R.sub.1 is a protecting group; and converting the pentacycle halide into a morphinan derivative of formula (20) ##STR2## wherein R is as defined above.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: October 24, 2000
    Assignee: MallincKrodt Inc.
    Inventors: Tomas Hudlicky, Gabor Butora
  • Process for preparing a morphinan derivative
    Patent number: 5912347
    Abstract: A process for preparing a morphinan derivative by providing a dihydrofuranyl bridged tetracycle halide of the formula (19) ##STR1## in which X is halogen, R is an alkyl group of from 1 to about 10 carbon atoms, and R.sub.1 is a protecting group. The pentacycle halide is converted into a morphinan derivative of formula (20) ##STR2## in which R is a previously defined.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: June 15, 1999
    Assignee: Mallinckrodt Inc.
    Inventors: Tomas Hudlicky, Gabor Butora