Patents by Inventor Stephane Streiff

Stephane Streiff 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).

  • Publication number: 20200308492
    Abstract: The present invention relates to a process for converting plastic into waxes by cracking. The process comprises the steps of introducing the plastic within a reactor; allowing at least a portion of the plastic to be converted to waxes, the waxes being part of a pyrolysis gas formed within the reactor; and removing a product stream containing said waxes from the reactor. The invention also relates to a mixture of hydrocarbons obtainable by that process.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 1, 2020
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Marco PICCININI, Michel GARRAIT, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • 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
  • Patent number: 10647922
    Abstract: Use of a catalyst composition comprising A) a first component containing oxidic compounds comprising aluminum and silicon with a molar ratio of silicon to aluminum of more than 1) B) a second component containing an oxidic compound of silicon wherein the ratio of the number of acidic sites of component A, determined by temperature programmed desorption with ammonia as a base, to the number of acidic sites of component B, determined under the same conditions, is at least 3: in a process for the catalytic depolymerization of plastics waste.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: May 12, 2020
    Assignee: SOLVAY SA
    Inventors: Stéphane Streiff, Marco Piccinini, Avelino Corma, Miriam Cerro-Alarcón, Jesús Mengual
  • 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
  • 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
  • Publication number: 20190345393
    Abstract: The present invention relates to a process for converting a mixture comprising plastic and at least one oxygenated compound into gases, liquid fuels and waxes by cracking. The process comprises a deoxygenation step and subsequently a cracking step during which the mixture is subjected to cracking conditions for obtaining a product stream containing said gases, liquid fuels and waxes.
    Type: Application
    Filed: December 6, 2017
    Publication date: November 14, 2019
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Marco PICCININI, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • 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
  • Publication number: 20190119191
    Abstract: The present invention relates to a process for converting plastic into waxes by catalytic cracking. The process comprises the steps of introducing the plastic and a catalyst within a reactor; allowing at least a portion of the plastic to be converted to waxes, the waxes being part of a pyrolysis gas formed within the reactor; and removing a product stream containing said waxes from the reactor. The invention also relates to a mixture of hydrocarbons obtainable by that process.
    Type: Application
    Filed: March 31, 2017
    Publication date: April 25, 2019
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Marco PICCININI, Michel GARRAIT, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • 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
  • Publication number: 20190002765
    Abstract: The present invention relates to a process for converting mixed waste plastic into liquid fuels by catalytic cracking. The process comprises the steps of introducing mixed waste plastic and a catalyst comprising an amorphous-type catalyst within a reactor; allowing at least a portion of the mixed waste plastic to be converted to liquid fuels within the reactor; and removing a product stream containing said liquid fuels from the reactor.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 3, 2019
    Inventors: Stéphane STREIFF, Marco PICCININI, Emmanuel MARX, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • Publication number: 20190002664
    Abstract: The present invention relates to a process for producing waxes and liquid fuels from waste plastic.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 3, 2019
    Applicant: SOLVAY SA
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Marco PICCININI, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • Publication number: 20180371327
    Abstract: The present invention relates to a process for converting waste plastic into gases, liquid fuels and waxes by catalytic cracking. The process comprises the steps of introducing waste plastic and a catalyst within a reactor; allowing at least a portion of the waste plastic to be converted to gases, liquid fuels and waxes within the reactor; and removing a product stream containing said gases, liquid fuels and waxes from the reactor.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Inventors: Stéphane STREIFF, Marco PICCININI, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • Publication number: 20180371325
    Abstract: The present invention relates to a process for continuously converting mixed waste plastic into waxes and liquid fuels by cracking. The process comprises the steps of feeding a mixed waste plastic stream to a cracking reactor where the mixed waste plastic is catalytically cracked in the presence of a catalyst and circulating the catalyst between the cracking reactor and a regenerator where the catalyst received from the cracking reactor is regenerated and heated by burning coke and/or other combustible material deposited on or mixed with the catalyst.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Inventors: Stéphane STREIFF, Dominique BALTHASART, Marco PICCININI, Philippe MARION, Michel GARRAIT, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • Publication number: 20180371326
    Abstract: Use of a catalyst composition comprising A) a first component containing oxidic compounds comprising aluminum and silicon with a molar ratio of silicon to aluminum of more than 1) B) a second component containing an oxidic compound of silicon wherein the ratio of the number of acidic sites of component A, determined by temperature programmed desorption with ammonia as a base, to the number of acidic sites of component B, determined under the same conditions, is at least 3: in a process for the catalytic depolymerization of plastics waste.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Inventors: Stéphane STREIFF, Marco PICCININI, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • 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
  • Publication number: 20180362857
    Abstract: The present invention relates to a process for converting mixed waste plastic into liquid fuels and waxes by catalytic cracking. The process comprises the steps of introducing mixed waste plastic and a catalyst comprising a zeolite-type catalyst within a reactor; allowing at least a portion of the mixed waste plastic to be converted to liquid fuels and waxes within the reactor; and removing a product stream containing said liquid fuels and waxes from the reactor.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 20, 2018
    Inventors: Stéphane STREIFF, Marco PICCININI, Céline BAUREGARD, Perrine GILLOT, Avelino CORMA, Miriam CERRO-ALARCÓN, Jesús MENGUAL
  • 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
  • Patent number: 8846980
    Abstract: A method for preparing an alkyl hydroperoxide obtained by the oxidation of a saturated hydrocarbon using oxygen, preferably of a saturated cyclic hydrocarbon, is described. Also described, is a method for preparing cyclohexyl hydroperoxide by oxidizing cyclohexane with molecular oxygen or a gas containing molecular oxygen preferably in the absence of a catalyst.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: September 30, 2014
    Assignee: Rhodia Operations
    Inventors: Françoise Igersheim, Stéphane Streiff, Serge Veracini
  • Patent number: 8722941
    Abstract: A method for making alkyl hydroperoxide compounds, specifically the preparation of cyclohexyl hydroperoxide is described. The preparation of cyclohexyl hydroperoxide by means of the oxidation of cyclohexane by oxygen in a multi-stage reactor or in reactors connected in series is also described. In these methods, the reactor surfaces in contact with the oxidation medium can be protected by a layer of heat-resistant PFA polymer.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: May 13, 2014
    Assignee: Rhodia Operations
    Inventors: Fabien Bellenger, Laurent Diguet, Stéphane Streiff
  • Publication number: 20130046115
    Abstract: A method for preparing an alkyl hydroperoxide obtained by the oxidation of a saturated hydrocarbon using oxygen, preferably of a saturated cyclic hydrocarbon, is described. Also described, is a method for preparing cyclohexyl hydroperoxide by oxidizing cyclohexane with molecular oxygen or a gas containing molecular oxygen preferably in the absence of a catalyst.
    Type: Application
    Filed: January 14, 2011
    Publication date: February 21, 2013
    Applicant: RHODIA OPERATIONS
    Inventors: Françoise Igersheim, Stéphane Streiff, Serge Veracini