Patents by Inventor Fernando Alvarado

Fernando Alvarado 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: 20230272559
    Abstract: The present disclosure relates to a method for the production of precursor fiber for the production of carbon fiber, comprising the steps: a) a) forming a spinning dope comprising a dissolving pulp, a lignin and an alkali metal hydroxide dissolved in water (s201); 5 b) extruding the spinning dope through a spinning nozzle to provide a fibrous extrudate (s203); and c) passing the fibrous extrudate through a coagulation liquid to provide the precursor fiber (s205); wherein the coagulation liquid is arranged to effect precipitation of the precursor fiber by regulation of pH and/or ionicity. The disclosure further relates to precursor fibers and carbon fibers produced by the method above, as well as spinning dopes used in the method.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 31, 2023
    Inventors: Andreas BENGTSSON, Maria SEDIN, Elisabet BRÄNNVALL, Alice LANDMÉR, Fernando ALVARADO
  • Patent number: 10947387
    Abstract: The present invention relates to lignin-containing compositions comprising: 0 to 50 percent by weight of lignin; 0 to 50 percent by weight of a liquid C2-C4polyol; and 10 to 50 percent by weight of an acrylic resin; wherein the percentages by weight are expressed relative to the total dry weight of the composition, and wherein the total dry weight of the composition amounts to 100 percent. The present invention further relates to processes for sealing joints or coating surfaces using such a composition. Moreover, the present invention relates to joints sealed and surfaces coated using such a composition, as well as vehicles comprising such sealed joints and coated surfaces.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 16, 2021
    Assignee: RISE INNVENTIA AB
    Inventors: Fernando Alvarado, Göran Flodberg
  • Patent number: 10882879
    Abstract: The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of: i) providing a solid phase lignin containing starting material to be contacted with a water solution comprising alcohol; ii) dissolving at least guaiacol and etylguaiacol content from the lignin into the water solution, and iii) draining off the water solution with its content of guaiacol and etylguaiacol; iv) obtaining a lignin material with a reduced content guaiacol and etylguaiacol. The alcohol is preferably a C1-C4 alcohol, preferably ethanol. The invention also relates to a lignin product with reduced odour obtained and/or obtainable by the method and to the use of the obtained lignin as a component in polymer blends, an additive or filler in building materials, as binding agent in adhesives, and/or for the production of a carbon fibre, especially in indoor applications.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: January 5, 2021
    Assignee: VALMET AB
    Inventors: Per Tomani, Fernando Alvarado, Maria Sedin
  • Publication number: 20200109157
    Abstract: The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of: i) providing a solid phase lignin containing starting material to be contacted with a water solution comprising alcohol; ii) dissolving at least guaiacol and etylguaiacol content from the lignin into the water solution, and iii) draining off the water solution with its content of guaiacol and etylguaiacol; iv) obtaining a lignin material with a reduced content guaiacol and etylguaiacol. The alcohol is preferably a C1-C4 alcohol, preferably ethanol. The invention also relates to a lignin product with reduced odour obtained and/or obtainable by the method and to the use of the obtained lignin as a component in polymer blends, an additive or filler in building materials, as binding agent in adhesives, and/or for the production of a carbon fibre, especially in indoor applications.
    Type: Application
    Filed: June 19, 2017
    Publication date: April 9, 2020
    Applicant: VALMET AB
    Inventors: Per TOMANI, Fernando ALVARADO, Maria SEDIN
  • Patent number: 10439204
    Abstract: A method for producing an electrode active coating on a current collector comprising providing isolated lignin and subjecting the isolated lignin to a pre-treatment in order to remove low molecular mass fractions of the lignin. The pre-treated lignin is mixed with an electrode active material, water and a conductive additive material so as obtain a slurry adapted for coating of a current collector. The coating obtained by the method comprises pre-treated lignin as a binder. The coating obtained has good binding properties between the particles of the coating as well as to the current collector. Furthermore, it has excellent electrochemical properties during use in a lithium-ion battery.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: October 8, 2019
    Assignee: Rise Innventia AB
    Inventors: Huiran Lu, Simon Leijonmarck, Ann Cornell, Marten Behm, Goran Lindbergh, Jiebing Li, Per Tomani, Fernando Alvarado
  • Publication number: 20190136062
    Abstract: The present invention relates to lignin-containing compositions comprising: 0 to 50 percent by weight of lignin; 0 to 50 percent by weight of a liquid C2-C4polyol; and 10 to 50 percent by weight of an acrylic resin; wherein the percentages by weight are expressed relative to the total dry weight of the composition, and wherein the total dry weight of the composition amounts to 100 percent. The present invention further relates to processes for sealing joints or coating surfaces using such a composition. Moreover, the present invention relates to joints sealed and surfaces coated using such a composition, as well as vehicles comprising such sealed joints and coated surfaces.
    Type: Application
    Filed: March 17, 2017
    Publication date: May 9, 2019
    Inventors: Fernando ALVARADO, Göran FLODBERG
  • Publication number: 20180069232
    Abstract: A method for producing an electrode active coating on a current collector comprising providing isolated lignin and subjecting the isolated lignin to a pre-treatment in order to remove low molecular mass fractions of the lignin. The pre-treated lignin is mixed with an electrode active material, water and a conductive additive material so as obtain a slurry adapted for coating of a current collector. The coating obtained by the method comprises pre-treated lignin as a binder. The coating obtained has good binding properties between the particles of the coating as well as to the current collector. Furthermore, it has excellent electrochemical properties during use in a lithium-ion battery.
    Type: Application
    Filed: March 1, 2016
    Publication date: March 8, 2018
    Applicant: Innventia AB
    Inventors: Huiran LU, Simon LEIJONMARCK, Ann CORNELL, Marten BEHM, Goran LINDBERGH, Jiebing LI, Per TOMANI, Fernando ALVARADO
  • Patent number: 9617393
    Abstract: The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of: i) dissolving isolated lignin into an alkali solution; ii) adding to the solution C1-C4-alcohol in an amount of less than 30% by weight, based on the dry weight of the isolated lignin; and iii) re-precipitating lignin by acidifying the solution. The invention also relates to a lignin product with reduced odor obtained and/or obtainable by the method and to the use of the obtained lignin as a component in polymer blends, an additive or filler in building materials, as binding agent in adhesives, and/or for the production of a carbon fiber, especially in indoor applications.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: April 11, 2017
    Assignee: INNVENTIA AB
    Inventors: Per Tomani, Fernando Alvarado
  • Publication number: 20160177040
    Abstract: The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of: i) dissolving isolated lignin into an alkali solution; ii) adding to the solution C1-C4-alcohol in an amount of less than 30% by weight, based on the dry weight of the isolated lignin; and iii) re-precipitating lignin by acidifying the solution. The invention also relates to a lignin product with reduced odor obtained and/or obtainable by the method and to the use of the obtained lignin as a component in polymer blends, an additive or filler in building materials, as binding agent in adhesives, and/or for the production of a carbon fiber, especially in indoor applications.
    Type: Application
    Filed: November 13, 2015
    Publication date: June 23, 2016
    Inventors: Per Tomani, Fernando Alvarado
  • Publication number: 20080005010
    Abstract: A system, method, software, and portfolios for managing risk in markets relating to a commodity delivered over a network are described, in which a market participant constructs portfolios of preferably liquid price risk instruments in proportions that eliminate the Spatial Price Risk for the market participant's underlying position. Techniques are also disclosed for constructing and evaluating new price risk instruments and other sets of positions, as well as identifying arbitrage opportunities in those markets. In particular, a “deltas vector” is calculated concerning a portfolio of future positions and derivative contracts, wherein the “deltas vector” is the partial derivative of the market participant's net market position taken with respect to the forward shadow prices ? of the network which depend upon congestion in the network.
    Type: Application
    Filed: September 10, 2007
    Publication date: January 3, 2008
    Applicant: MORGAN STANLEY
    Inventors: Fernando Alvarado, Rajesh Rajaraman
  • Publication number: 20080005008
    Abstract: A system, method, software, and portfolios for managing risk in markets relating to a commodity delivered over a network are described, in which a market participant constructs portfolios of preferably liquid price risk instruments in proportions that eliminate the Spatial Price Risk for the market participant's underlying position. Techniques are also disclosed for constructing and evaluating new price risk instruments and other sets of positions, as well as identifying arbitrage opportunities in those markets. In particular, a “deltas vector” is calculated concerning a portfolio of future positions and derivative contracts, wherein the “deltas vector” is the partial derivative of the market participant's net market position taken with respect to the forward shadow prices ? of the network which depend upon congestion in the network.
    Type: Application
    Filed: September 10, 2007
    Publication date: January 3, 2008
    Applicant: MORGAN STANLEY
    Inventors: Fernando Alvarado, Rajesh Rajaraman
  • Publication number: 20080005009
    Abstract: A system, method, software, and portfolios for managing risk in markets relating to a commodity delivered over a network are described, in which a market participant constructs portfolios of preferably liquid price risk instruments in proportions that eliminate the Spatial Price Risk for the market participant's underlying position. Techniques are also disclosed for constructing and evaluating new price risk instruments and other sets of positions, as well as identifying arbitrage opportunities in those markets. In particular, a “deltas vector” is calculated concerning a portfolio of future positions and derivative contracts, wherein the “deltas vector” is the partial derivative of the market participant's net market position taken with respect to the forward shadow prices ? of the network which depend upon congestion in the network.
    Type: Application
    Filed: September 10, 2007
    Publication date: January 3, 2008
    Applicant: MORGAN STANLEY
    Inventors: Fernando Alvarado, Rajesh Rajaraman
  • Publication number: 20060026095
    Abstract: A system, method, software, and portfolios for managing risk in markets relating to a commodity delivered over a network are described, in which a market participant constructs portfolios of preferably liquid price risk instruments in proportions that eliminate the Spatial Price Risk for the market participant's underlying position. Techniques are also disclosed for constructing and evaluating new price risk instruments and other sets of positions, as well as identifying arbitrage opportunities in those markets.
    Type: Application
    Filed: September 28, 2005
    Publication date: February 2, 2006
    Applicant: Morgan Stanley Dean Witter & Co.
    Inventors: Fernando Alvarado, Rajesh Rajaraman
  • Publication number: 20060026096
    Abstract: A system, method, software, and portfolios for managing risk in markets relating to a commodity delivered over a network are described, in which a market participant constructs portfolios of preferably liquid price risk instruments in proportions that eliminate the Spatial Price Risk for the market participant's underlying position. Techniques are also disclosed for constructing and evaluating new price risk instruments and other sets of positions, as well as identifying arbitrage opportunities in those markets.
    Type: Application
    Filed: September 28, 2005
    Publication date: February 2, 2006
    Applicant: Morgan Stanley Dean Witter & Co.
    Inventors: Fernando Alvarado, Rajesh Rajaraman