Patents by Inventor Zbigniew Wrobel

Zbigniew Wrobel 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).

  • Method for preparation of medetomidine with chloroacetone
    Patent number: 9434694
    Abstract: The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and chloroacetone.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: September 6, 2016
    Assignee: Lonza Ltd.
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • Method For Preparation of Medetomidine With Chloroacetone
    Publication number: 20150336909
    Abstract: The invention discloses a method for the preparation of medetomidine starting from 1-hromo 2,3-dimethylbenzene and chloroacetone.
    Type: Application
    Filed: July 30, 2015
    Publication date: November 26, 2015
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • Method for preparation of medetomidine with chloroacetone
    Patent number: 9156793
    Abstract: The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and chloroacetone.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: October 13, 2015
    Assignee: Lonza Ltd.
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • Method for preparation of 2-(2,3-dimethylphenyl)-1-propanal with chloroacetone
    Patent number: 9126914
    Abstract: The invention discloses a method for the preparation of 2-(2,3-dimethylphenyl)-1-propanal starting from 1-bromo 2,3-dimethylbenzene and chloroacetone, its use in perfumes and its use for the preparation of medetomidine.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: September 8, 2015
    Assignee: Lonza Ltd.
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • Method for preparation of 2-(2,3-dimethylphenyl)-1-propanal
    Patent number: 9126915
    Abstract: The invention discloses a method for preparation of 2-(2,3-dimethylphenyl)-1-proponal from bromo 2,3-dimethyl-benzene and aceton, its use in perfumes and its use for the preparation of medetomidine.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: September 8, 2015
    Assignee: Lonza Ltd.
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL WITH CHLOROACETONE
    Publication number: 20150239816
    Abstract: The invention discloses a method for the preparation of 2-(2,3-dimethylphenyl)-1-propanal starting from 1-bromo 2,3-dimethylbenzene and chloroacetone, its use in perfumes and its use for the preparation of medetomidine.
    Type: Application
    Filed: November 15, 2012
    Publication date: August 27, 2015
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • Method for preparation of medetomidine
    Patent number: 9045433
    Abstract: The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and aceton.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: June 2, 2015
    Assignee: Lonza Ltd.
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • METHOD FOR PREPARATION OF MEDETOMIDINE WITH CHLOROACETONE
    Publication number: 20150099889
    Abstract: The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and chloroacetone.
    Type: Application
    Filed: November 15, 2012
    Publication date: April 9, 2015
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephen Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL
    Publication number: 20150080287
    Abstract: The invention discloses a method for preparation of 2-(2,3-dimethylphenyl)-1-proponal from bromo 2,3-dimethyl-benzene and aceton, its use in perfumes and its use for the preparation of medetomidine.
    Type: Application
    Filed: November 15, 2012
    Publication date: March 19, 2015
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski
  • METHOD FOR PREPARATION OF MEDETOMIDINE
    Publication number: 20150057453
    Abstract: The invention discloses a method for the preparation of medetomidine starting from 1-bromo 2,3-dimethylbenzene and aceton.
    Type: Application
    Filed: November 15, 2012
    Publication date: February 26, 2015
    Inventors: Florencio Zaragoza Doerwald, Anna Kulesza, Stephan Elzner, Robert Bujok, Zbigniew Wrobel, Krzysztof Wojciechowski