Patents by Inventor Adam M. Johns

Adam M. Johns 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).

  • Reactions of olefin derivatives in the presence of metathesis catalysts
    Patent number: 11958042
    Abstract: The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group 8 olefin metathesis catalyst.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: April 16, 2024
    Assignee: Umicore AG & Co. KG
    Inventors: Richard Pederson, Adam M. Johns
  • Synthesis and characterization of metathesis catalysts
    Patent number: 11794179
    Abstract: This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: October 24, 2023
    Inventor: Adam M. Johns
  • Synthesis and characterization of Ru alkylidene complexes
    Patent number: 11779912
    Abstract: This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: October 10, 2023
    Assignees: UMICORE AG & Co. KG, CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Adam M. Johns, Jessica R. Herron, Richard L. Pederson, Bryan A. Fiamengo, Jennifer A. Beerman, Tzu-Pin Lin, Crystal K. Chu, Robert H. Grubbs
  • SYNTHESIS AND CHARACTERIZATION OF METATHESIS CATALYSTS
    Publication number: 20220379292
    Abstract: This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
    Type: Application
    Filed: June 25, 2021
    Publication date: December 1, 2022
    Inventor: Adam M. JOHNS
  • REACTIONS OF OLEFIN DERIVATIVES IN THE PRESENCE OF METHATHESIS CATALYSTS
    Publication number: 20220055025
    Abstract: The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group 8 olefin metathesis catalyst.
    Type: Application
    Filed: November 1, 2021
    Publication date: February 24, 2022
    Inventors: Richard PEDERSON, Adam M. Johns
  • SYNTHESIS AND CHARACTERIZATION OF RU ALKYLIDENE COMPLEXES
    Publication number: 20210394167
    Abstract: This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 23, 2021
    Inventors: Adam M. JOHNS, Jessica R. HERRON, Richard L. PEDERSON, Bryan A. FIAMENGO, Jennifer A. BEERMAN, Tzu-Pin LIN, Crystal K. CHU, Robert H. GRUBBS
  • Metathesis catalysts
    Patent number: 11173476
    Abstract: This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: November 16, 2021
    Inventors: Jessica R. Herron, Richard L. Pederson, Adam M. Johns, Michael A. Giardello
  • Reactions of olefin derivatives in the presence of methathesis catalysts
    Patent number: 11161104
    Abstract: The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group 8 olefin metathesis catalyst.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: November 2, 2021
    Inventors: Richard L. Pederson, Adam M. Johns
  • METATHESIS CATALYSTS
    Publication number: 20210291155
    Abstract: This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
    Type: Application
    Filed: August 10, 2017
    Publication date: September 23, 2021
    Applicant: Umicore AG & Co. KG
    Inventors: Jessica R. HERRON, Richard L. PEDERSON, Adam M. JOHNS, Michael A. GIARDELLO
  • Synthesis and characterization of Ru alkylidene complexes
    Patent number: 11123722
    Abstract: This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: September 21, 2021
    Assignees: California Institute of Technology
    Inventors: Adam M. Johns, Jessica R. Herron, Richard L. Pederson, Bryan A. Fiamengo, Jennifer A. Beerman, Tzu-Pin Lin, Crystal K. Chu, Robert H. Grubbs
  • Synthesis and characterization of metathesis catalysts
    Patent number: 11065609
    Abstract: This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals, and pharmaceuticals.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: July 20, 2021
    Inventor: Adam M. Johns
  • Metal complexes comprising aniline type ligands
    Patent number: 11066434
    Abstract: This invention relates generally to olefin metathesis catalysts comprising aniline type ligands, to the preparation of such catalysts, compositions comprising such catalysts, methods of using such catalysts, and the use of such catalysts in the metathesis of olefins. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: July 20, 2021
    Inventors: Adam M. Johns, Richard L. Pederson, Doina Ene, Ralf Karch, Angelino Doppiu
  • OLEFIN METATHESIS CATALYSTS
    Publication number: 20210053043
    Abstract: This invention relates generally to metathesis catalysts and the use of such catalysts in the metathesis of olefins and olefin compounds, more particularly, in the use of such catalysts in Z and E selective olefin metathesis reactions. The invention has utility in the fields of organometallics and organic synthesis.
    Type: Application
    Filed: November 10, 2020
    Publication date: February 25, 2021
    Inventors: Adam M. JOHNS, T. Patrick MONTGOMERY, Tonia S. AHMED, Robert H. GRUBBS, Richard L. PEDERSON
  • REACTIONS OF OLEFIN DERIVATIVES IN THE PRESENCE OF METHATHESIS CATALYSTS
    Publication number: 20210046466
    Abstract: The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group 8 olefin metathesis catalyst.
    Type: Application
    Filed: February 11, 2019
    Publication date: February 18, 2021
    Inventors: Richard L. PEDERSON, Adam M. JOHNS
  • Olefin metathesis catalysts
    Patent number: 10857530
    Abstract: This invention relates generally to metathesis catalysts and the use of such catalysts in the metathesis of olefins and olefin compounds, more particularly, in the use of such catalysts in Z and E selective olefin metathesis reactions. The invention has utility in the fields of organometallics and organic synthesis.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: December 8, 2020
    Assignees: Umicore AG & Co. KG, California Institute of Technology
    Inventors: Adam M. Johns, T. Patrick Montgomery, Tonia S. Ahmed, Robert H. Grubbs, Richard L. Pederson
  • SYNTHESIS AND CHARACTERIZATION OF RU ALKYLIDENE COMPLEXES
    Publication number: 20200330970
    Abstract: This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: Adam M. Johns, Jessica R. HERRON, Richard L. PEDERSON, Bryan A. FIAMENGO, Jennifer A. BEERMAN, Tzu-Pin LIN, Crystal K. CHU, Robert H. GRUBBS
  • Synthesis and characterization of Ru alkylidene complexes
    Patent number: 10792651
    Abstract: This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: October 6, 2020
    Assignees: Umicore AG & Co. KG, California Institute of Technology
    Inventors: Adam M. Johns, Jessica R. Herron, Richard L. Pederson, Bryan A. Fiamengo, Jennifer A. Beerman, Tzu-Pin Lin, Crystal K. Chu, Robert H. Grubbs
  • Preparation of amino acids and amino acid derivatives
    Patent number: 10774035
    Abstract: The invention relates to a method for synthesizing amino acids or amino acid derivatives involving cross metathesis of functionalized olefins and a tandem amination-reduction process. Amino acids and amino acid derivatives present many interesting physical and chemical properties finding many uses in the automotive, fuel, electronic, and textile industries.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: September 15, 2020
    Assignee: Umicore AG & Co. KG
    Inventors: Adam M. Johns, Jessica R. Herron, Richard L. Pederson, Thay A. Ung, Ba L. Tran, Daryl P. Allen
  • METAL COMPLEXES COMPRISING ANILINE TYPE LIGANDS
    Publication number: 20200239504
    Abstract: This invention relates generally to olefin metathesis catalysts comprising aniline type ligands, to the preparation of such catalysts, compositions comprising such catalysts, methods of using such catalysts, and the use of such catalysts in the metathesis of olefins. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
    Type: Application
    Filed: January 29, 2020
    Publication date: July 30, 2020
    Inventors: Adam M. JOHNS, Richard L. PEDERSON, Doina ENE, Ralf KARCH, Angelino DOPPIU
  • SYNTHESIS AND CHARACTERIZATION OF RU ALKYLIDENE COMPLEXES
    Publication number: 20200038851
    Abstract: This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 6, 2020
    Inventors: Adam M. JOHNS, Jessica R. HERRON, Richard L. PEDERSON, Bryan A. FIAMENGO, Jennifer A. BEERMAN, Tzu-Pin LIN, Crystal K. CHU, Robert H. GRUBBS