Patents by Inventor Armin T. Liebens

Armin T. Liebens 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).

  • Composition containing lanthanide metal complex
    Patent number: 11441105
    Abstract: Provided is the use of a lanthanide metal complex as a bleaching catalyst. In particular, the lanthanide metal complex comprises a ligand which is an aromatic compound having at least one electron withdrawing substituent and at least one nucleophilic group. Provided is also a composition containing the lanthanide metal complex.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: September 13, 2022
    Inventors: Bing Hong, Alexander Lerch, Stéphane Streiff, Peng Fei Ji, Armin T. Liebens
  • COMPOSITION CONTAINING LANTHANIDE METAL COMPLEX
    Publication number: 20210179975
    Abstract: Provided is the use of a lanthanide metal complex as a bleaching catalyst. In particular, the lanthanide metal complex comprises a ligand which is an aromatic compound having at least one electron withdrawing substituent and at least one nucleophilic group. Provided is also a composition containing the lanthanide metal complex.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 17, 2021
    Inventors: Bing HONG, Alexander LERCH, Stéphane STREIFF, Peng Fei JI, Armin T. LIEBENS
  • Selective oxidation of furan based alcohols via electro-generative process
    Patent number: 10808328
    Abstract: This invention concerns a method for the production of at least a furanic compound having at least one aldehyde function and electrical power, by oxidizing at least a furanic compound having at least one hydroxyl function.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: October 20, 2020
    Assignee: RHODIA OPERATIONS
    Inventors: Mengjia Wu, Pascal Metivier, Peng Li, Armin T. Liebens
  • BLEACH OR DETERGENT COMPOSITION
    Publication number: 20200231910
    Abstract: The invention relates to the use of specific amines as bleaching catalyst for detergent compositions and to bleach and detergent compositions containing these. The invention concerns also a formulation comprising at least a detergent, aspecific amine, and optionally a source ofhydrogen peroxide.
    Type: Application
    Filed: January 30, 2018
    Publication date: July 23, 2020
    Inventors: Bing HONG, Alexander LERCH, Armin T. LIEBENS, Stéphane STREIFF
  • Process for production of aromatic compounds comprising at least two amine functions
    Patent number: 10662142
    Abstract: Provided is a process for the production of an aromatic compound comprising at least two amine functions, comprising reacting an aromatic compound having at least one hydroxyl function and at least one aldehyde function with a second reactant having an amine function, in the presence of a reductant agent and a catalyst comprising at least one metal element in elemental form and/or at least one metal oxide.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: May 26, 2020
    Assignees: RHODIA OPERATIONS, LANZHOU INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCE
    Inventors: Peng Li, Armin T. Liebens, Feng Shi, Hangkong Yuan
  • Process for oxidation of alcohols using oxygen-containing gases
    Patent number: 10626075
    Abstract: The present invention concerns a process of oxidizing an alcohol for the production of its corresponding carbonyl compounds wherein the oxidation is performed with oxygen or gases containing oxygen in the presence of a catalyst comprising at least a gold compound and a copper compound. Said alcohol oxidation by gaseous oxidant can achieve a high yield and selectivity with minimized degradation products or waste organic solvents.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 21, 2020
    Assignee: RHODIA OPERATIONS
    Inventors: Wenjuan Zhou, Wenhao Fang, Armin T. Liebens
  • Use of a catalyst composition for the catalytic depolymerization of plastics waste
    Patent number: 10537876
    Abstract: Use of a catalytic composition parameters comprising oxides of aluminum or oxidic compounds comprising aluminum and silicon with a molar ratio of aluminum to silicon of more than 1 in a process for the catalytic depolymerization of plastics waste.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: January 21, 2020
    Assignee: SOLVAY SA
    Inventors: Stéphane Streiff, Marco Piccinini, Armin T. Liebens, Avelino Corma, Miriam Cerro-Alarcón, Jesús Mengual
  • PROCESS FOR PRODUCING A TETRAHYDROFURAN COMPOUND COMPRISING AT LEAST TWO AMINE FUNCTIONAL GROUPS
    Publication number: 20190359582
    Abstract: The present invention concerns a process for preparing a tetrahydrofuran compound comprising at least two amine functional groups by reacting a furan compound comprising at least two nitrogen-containing functional groups with hydrogen in the presence of a hydrogenation catalyst.
    Type: Application
    Filed: December 15, 2017
    Publication date: November 28, 2019
    Inventors: Peng LI, Armin T. LIEBENS
  • Process for the treatment of a composition comprising thermoplastics
    Patent number: 10479875
    Abstract: The present invention relates to a process for the treatment of a composition comprising thermoplastics comprising introducing the composition into a reactor under reduction of oxygen content of the atmosphere, heating the composition in the presence of a solvent to liquefy the thermoplastics, separating insoluble fractions and recovering the liquefied thermoplastics which process is conducted in one reactor.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: November 19, 2019
    Assignee: SOLVAY SA
    Inventors: Stéphane Streiff, Dominique Balthasart, Armin T. Liebens, Gérard Antonini
  • Process for the treatment of a composition comprising thermoplastics
    Patent number: 10472486
    Abstract: The present invention relates to a process for the treatment of a composition comprising thermoplastics comprising introducing the composition into a reactor under reduction of oxygen content of the atmosphere, heating the composition in the presence of a solvent to liquefy the thermoplastics, separating insoluble fractions and recovering the liquefied thermoplastics which process is conducted with an aliphatic hydrocarbon as solvent.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: November 12, 2019
    Assignee: SOLVAY SA
    Inventors: Stéphane Streiff, Dominique Balthasart, Armin T. Liebens, Gérard Antonini
  • PROCESS FOR PRODUCTION OF AROMATIC COMPOUNDS COMPRISING AT LEAST TWO AMINE FUNCTIONS
    Publication number: 20190292128
    Abstract: Provided is a process for the production of an aromatic compound comprising at least two amine functions, comprising reacting an aromatic compound having at least one hydroxyl function and at least one aldehyde function with a second reactant having an amine function, in the presence of a reductant agent and a catalyst comprising at least one metal element in elemental form and/or at least one metal oxide.
    Type: Application
    Filed: November 6, 2017
    Publication date: September 26, 2019
    Inventors: Peng LI, Armin T. LIEBENS, Feng SHI, Hangkong YUAN
  • PROCESS FOR OXIDATION OF ALCOHOLS USING OXYGEN-CONTAINING GASES
    Publication number: 20190100482
    Abstract: The present invention concerns a process of oxidizing an alcohol for the production of its corresponding carbonyl compounds wherein the oxidation is performed with oxygen or gases containing oxygen in the presence of a catalyst comprising at least a gold compound and a copper compound. Said alcohol oxidation by gaseous oxidant can achieve a high yield and selectivity with minimized degradation products or waste organic solvents.
    Type: Application
    Filed: December 3, 2018
    Publication date: April 4, 2019
    Inventors: Wenjuan ZHOU, Wenhao FANG, Armin T. LIEBENS
  • A PROCESS FOR THE TREATMENT OF A COMPOSITION COMPRISING THERMOPLASTICS
    Publication number: 20190085147
    Abstract: The present invention relates to a process for the treatment of a composition comprising thermoplastics comprising introducing the composition into a reactor under reduction of oxygen content of the atmosphere, heating the composition in the presence of a solvent to liquefy the thermoplastics, separating insoluble fractions and recovering the liquefied thermoplastics which process is conducted in one reactor.
    Type: Application
    Filed: July 13, 2016
    Publication date: March 21, 2019
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Armin T. LIEBENS, Gérard ANTONINI
  • Process for forming amine by direct amination reaction
    Patent number: 10207980
    Abstract: Providing a process for forming an amine, such as a primary, a secondary or a tertiary amine, via the direct amination of an alcohol using a catalyst comprising at least a palladium compound on a support comprising cerium oxide.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: February 19, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Zhen Yan, Marc Pera Titus, Armin T. Liebens
  • Process for oxidation of alcohols using oxygen-containing gases
    Patent number: 10179756
    Abstract: A process of oxidizing an alcohol for the production of its corresponding carbonyl compounds is disclosed, wherein the oxidation is performed with oxygen or gases containing oxygen in the presence of a catalyst comprising at least a gold compound and a copper compound. Said alcohol oxidation by gaseous oxidant can achieve a high yield and selectivity with minimized degradation products or waste organic solvents.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: January 15, 2019
    Assignees: RHODIA OPERATIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Wenjuan Zhou, Wenhao Fang, Armin T. Liebens
  • SELECTIVE OXIDATION OF FURAN BASED ALCOHOLS VIA ELECTRO-GENERATIVE PROCESS
    Publication number: 20180363152
    Abstract: This invention concerns a method for the production of at least a furanic compound having at least one aldehyde function and electrical power, by oxidizing at least a furanic compound having at least one hydroxyl function.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 20, 2018
    Inventors: Mengjia WU, Pascal METIVIER, Peng LI, Armin T. LIEBENS
  • USE OF A CATALYST COMPOSITION FOR THE CATALYTIC DEPOLYMERIZATION OF PLASTICS WASTE
    Publication number: 20180361356
    Abstract: Use of a catalytic composition parameters comprising oxides of aluminum or oxidic compounds comprising aluminum and silicon with a molar ratio of aluminum to silicon of more than 1 in a process for the catalytic depolymerization of plastics waste.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 20, 2018
    Inventors: Stéphane STREIFF, Marco PICCININI, Armin T. LIEBENS, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • A PROCESS FOR THE TREATMENT OF A COMPOSITION COMPRISING THERMOPLASTICS
    Publication number: 20180208736
    Abstract: The present invention relates to a process for the treatment of a composition comprising thermoplastics comprising introducing the composition into a reactor under reduction of oxygen content of the atmosphere, heating the composition in the presence of a solvent to liquefy the thermoplastics, separating insoluble fractions and recovering the liquefied thermoplastics which process is conducted with an aliphatic hydrocarbon as solvent.
    Type: Application
    Filed: July 13, 2016
    Publication date: July 26, 2018
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Armin T. LIEBENS, Gérard ANTONINI
  • PROCESS FOR OXIDATION OF ALCOHOLS USING OXYGEN-CONTAINING GASES
    Publication number: 20180127347
    Abstract: A process of oxidizing an alcohol for the production of its corresponding carbonyl compounds is disclosed, wherein the oxidation is performed with oxygen or gases containing oxygen in the presence of a catalyst comprising at least a gold compound and a copper compound. Said alcohol oxidation by gaseous oxidant can achieve a high yield and selectivity with minimized degradation products or waste organic solvents.
    Type: Application
    Filed: May 18, 2015
    Publication date: May 10, 2018
    Inventors: Wenjuan ZHOU, Wenhao FANG, Armin T. LIEBENS
  • PROCESS FOR FORMING AMINE BY DIRECT AMINATION REACTION
    Publication number: 20170320811
    Abstract: Providing a process for forming an amine, such as a primary, a secondary or a tertiary amine, via the direct amination of an alcohol using a catalyst comprising at least a palladium compound on a support comprising cerium oxide.
    Type: Application
    Filed: November 10, 2014
    Publication date: November 9, 2017
    Applicants: RHODIA OPERATIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Zhen YAN, Marc PERA TITUS, Armin T. LIEBENS