Patents by Inventor Florencio Zaragoza Doerwald

Florencio Zaragoza Doerwald 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).

  • Patent number: 11739066
    Abstract: The invention discloses a method for fluoroalkylation of enamines with a fluoro alkyl halide in the presence of a base.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 29, 2023
    Assignee: Arxada AG
    Inventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Fei Ye, Stefan Ellinger, Florencio Zaragoza Doerwald
  • Patent number: 11530175
    Abstract: The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: December 20, 2022
    Assignee: ARXADA AG
    Inventors: Christoph Taeschler, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Nicolas Rotta-Loria
  • Patent number: 11471389
    Abstract: The present invention discloses a personal care composition comprising: (a) A polyvalent metal salt of pyrithione; (b) A metal complex selected from the group consisting of: wherein Y1, Y2, Z1, Z2 are selected from the following groups: —NH2, —NHR11, —NR12R12, —NHCO—R20, —SH, —OR13, —O(C?O)—, phosphate. and wherein at least one of Y1 and Z1 of compound I is —SH, and wherein at least one of Y2 and Z2 of compound II is —SH R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, can independently be H, alkyl, substituted alkyl, phenyl, aryl; R14 is —NH2, —NHCO—CH3, —NHR17, or —NR18R18 R15 is —COOH, —COOR19 R11, R12, R13 R16, R17, R18, R19 can be independently be alkyl, substituted alkyl, phenyl, aryl. and wherein the metal of the complex is selected from the group consisting of zinc, copper, and iron.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: October 18, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Laurie Ellen Breyfogle, Daniel Lawrence Custer, John David Carter, Florencio Zaragoza Dörwald, Jody Laurel Jourden
  • Publication number: 20220204464
    Abstract: The invention discloses a method for fluoroalkylation of enamines with a fluoro alkyl halide in the presence of a base.
    Type: Application
    Filed: June 12, 2020
    Publication date: June 30, 2022
    Inventors: Christoph TAESCHLER, Matthias BELLER, Helfried NEUMANN, Florian FISCHER, Shaoke ZHANG, Fei YE, Stefan ELLINGER, Florencio ZARAGOZA DOERWALD
  • Patent number: 11332456
    Abstract: The invention discloses a method for the preparation of fluoro alkylated 1,4-dioxene by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides of 1,4-dioxane in the presence of a base.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: May 17, 2022
    Assignee: Lonza Solutions AG
    Inventors: Christoph Taeschler, Thomas Belser, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang
  • Publication number: 20220041530
    Abstract: The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.
    Type: Application
    Filed: February 20, 2020
    Publication date: February 10, 2022
    Inventors: Christoph Taeschler, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Nicolas Rotta-Loria
  • Publication number: 20220041570
    Abstract: The invention discloses a method for the preparation of fluoro alkylated 1,4-dioxene by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides of 1,4-dioxane in the presence of a base.
    Type: Application
    Filed: February 20, 2020
    Publication date: February 10, 2022
    Inventors: Christoph Taeschler, Thomas Belser, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang
  • Publication number: 20210261501
    Abstract: The invention discloses a method for the preparation of potassium 5-iodo-2-carboxybenzene sulfonate by diazotization of 5-amino-2-carboxybenzene sulfonate and subsequent reaction with KI.
    Type: Application
    Filed: September 24, 2019
    Publication date: August 26, 2021
    Inventors: Ellen KLEGRAF, Patrick SCHANEN, Florencio ZARAGOZA DOERWALD
  • Patent number: 10968187
    Abstract: The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides, fluoro alkyl halides, chloro alkyl halides or fluorochloro alkyl halides respectively.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: April 6, 2021
    Assignee: Lonza Solutions AG
    Inventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Florian Fischer
  • Patent number: 10882816
    Abstract: The invention discloses a method for the preparation of substituted 4-(heptafluoro-2-propyl) anilines by reaction of 2-bromoheptafluoropropane with anilines in the presence of sodium dithionite, in a solvent and in the presence of a catalyst.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: January 5, 2021
    Assignee: Lonza Ltd
    Inventors: Florencio Zaragoza Doerwald, Daniel Zollinger
  • Publication number: 20200405600
    Abstract: The present invention discloses a personal care composition comprising: (a) A polyvalent metal salt of pyrithione; (b) A metal complex selected from the group consisting of: wherein Y1, Y2, Z1, Z2 are selected from the following groups: —NH2, —NHR11, —NR12R12, —NHCO—R20, —SH, —OR13, —O(C?O)—, phosphate. and wherein at least one of Y1 and Z1 of compound I is —SH, and wherein at least one of Y2 and Z2 of compound II is —SH R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, can independently be H, alkyl, substituted alkyl, phenyl, aryl; R14 is —NH2, —NHCO—CH3, —NHR17, or —NR18R18 R15 is —COOH, —COOR19 R11, R12, R13 R16, R17, R18, R19 can be independently be alkyl, substituted alkyl, phenyl, aryl. and wherein the metal of the complex is selected from the group consisting of zinc, copper, and iron.
    Type: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Inventors: Laurie Ellen Breyfogle, Daniel Lawrence Custer, John David Carter, Florencio Zaragoza Dörwald, Jody Laurel Jourden
  • Publication number: 20200262781
    Abstract: The invention discloses a method for the preparation of substituted 4-(heptafluoro-2-propyl) anilines by reaction of 2-bromoheptafluoropropane with anilines in the presence of sodium dithionite, in a solvent and in the presence of a catalyst.
    Type: Application
    Filed: August 7, 2018
    Publication date: August 20, 2020
    Inventors: Florencio Zaragoza Doerwald, Daniel Zollinger
  • Publication number: 20200157063
    Abstract: The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides, fluoro alkyl halides, chloro alkyl halides or fluorochloro alkyl halides respectively.
    Type: Application
    Filed: July 26, 2018
    Publication date: May 21, 2020
    Inventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Florian Fischer
  • Publication number: 20190256477
    Abstract: The invention discloses a method for the preparation of 3-(trifluoromethyl)pyrazine-2-carboxylic acid esters starting from alkyl 4,4,4-trifluoro-2-(hydroxyimino)-3-oxobutanoates by reaction with ethylenediamine.
    Type: Application
    Filed: August 30, 2017
    Publication date: August 22, 2019
    Inventors: Florencio ZARAGOZA DOERWALD, Christoph TAESCHLER, Erick CARREIRA
  • Patent number: 10112921
    Abstract: The invention discloses a method for the preparation of thiophene-2-carbonyl chlorides starting from thiophenes with oxalyl chloride at elevated temperature with short reaction time.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: October 30, 2018
    Assignee: LONZA LTD
    Inventors: Daniel Zollinger, Florencio Zaragoza Doerwald
  • Publication number: 20180265481
    Abstract: The invention discloses a method for the preparation of certain 1,5 disubstituted tetrazole and similar compounds starting from certain thioacetamides, which ultimately allows the preparation of these certain 1,5 disubstituted tetrazoles from readily available compounds such as acetophenone and similar compounds.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 20, 2018
    Inventor: Florencio Zaragoza Doerwald
  • Publication number: 20180230121
    Abstract: The invention discloses a method for the preparation of thiophene-2-carbonyl chlorides starting from thiophenes with oxalyl chloride at elevated temperature with short reaction time.
    Type: Application
    Filed: November 2, 2016
    Publication date: August 16, 2018
    Inventors: Daniel Zollinger, Florencio Zaragoza Doerwald
  • Publication number: 20170320878
    Abstract: The invention discloses a method for preparation of fluoro, chloro and fluorochloro alkylated compounds by homogeneous Pd catalyzed fluoro, chloro and fluorochloro alkylation with fluoro, chloro and fluorochloroalkyl halides in the presence of di(1-adamantyl)-n-butylphosphine and in the presence of 2,2,6,6-tetramethylpiperidine 1-oxyl.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 9, 2017
    Applicant: Lonza Ltd
    Inventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte
  • Patent number: 9809596
    Abstract: The invention discloses a method for preparations of fluoro, chloro and fluorochloro alkylated compounds by homogeneous Pd catalyzed fluoro, chloro and fluorochloro alkylation with fluoro, chloro and fluorochloroalkyl halides in the presence of di(1-adamantyl)-adamantyl-n-butylphosphine and in the presence of 2,2,6,6-tetramethylpiperdine 1-oxyl.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: November 7, 2017
    Assignee: Lonza Ltd.
    Inventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte
  • Patent number: 9771367
    Abstract: The invention discloses a method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by a heterogeneous Pt/C-catalyzed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides or with fluoro, chloro and fluorochloro alkyl halides in the presence of Cs2C03 or CsHC03.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: September 26, 2017
    Assignee: LONZA LTD
    Inventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte, Stefan Ellinger, Florencio Zaragoza Doerwald