Patents Assigned to Biochemtex S.p.A
  • Publication number: 20210102135
    Abstract: It is disclosed a combustible article of manufacture comprising a treated lignin composition and a combustible support, wherein the treated lignin composition is attached to at least a portion of an external surface of the combustible support with a force greater than the force of gravity relative to the treated lignin composition. The treated lignin composition comprises solid lignin and has a moisture content in the range of 35% to 80% percent by weight. The combustible support is preferably a hardwood chip, but it may be also softwood chips, coal, coke, and shredded tires. It is also disclosed a fuel composition comprising a plurality of the combustible article.
    Type: Application
    Filed: February 10, 2017
    Publication date: April 8, 2021
    Applicant: Biochemtex S.p.A.
    Inventors: Ettore BONALDI, Alessandra GIUSTI
  • Publication number: 20190270097
    Abstract: It is disclosed an apparatus for separating a least one solid from a solids/fluid mixture, said apparatus comprising a separation chamber and a cushion chamber. The separation chamber comprises a top end, a bottom end, at least one wall, and an inlet port for introducing the solids/fluid mixture, said inlet port having an inlet port vector. The cushion chamber comprises at least one boundary wall, and it is adapted to maintain a cushion of the solids/fluid mixture at an intersection of the inlet port vector and the cushion chamber when the separation chamber and the cushion chamber are connected by a communication port at the intersection of the inlet port vector and the at least one wall. The communication port has an area at least a size of an impact area of the solids/fluid mixture on the at least one wall. The communication port may be formed by the erosion of the at least one wall of the separation chamber caused by the solids/fluid mixture at the impact area.
    Type: Application
    Filed: February 10, 2017
    Publication date: September 5, 2019
    Applicant: Biochemtex S.p.A.
    Inventors: Paolo SARCHI, Ezio GIUNGATO, Giuseppina BOVERI
  • Patent number: 9770698
    Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: September 26, 2017
    Assignee: Biochemtex S.p.A.
    Inventors: Dan Gastaldo, Steven Ryba, Aaron Murray, Guliz Arf Elliott
  • Patent number: 9732021
    Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.
    Type: Grant
    Filed: February 24, 2013
    Date of Patent: August 15, 2017
    Assignee: Biochemtex S.p.A.
    Inventors: Steven Ryba, Aaron Murray, Guliz Arf Elliott, Dan Gastaldo, Edwin A Sisson, Ehsan Moharreri, Krishna Sharma
  • Patent number: 9718742
    Abstract: This specification discloses a process to convert a converted lignin feedstream to an aromatic composition comprised of aromatic compounds. The process follows the steps of exposing the converted lignin feedstream to at least one catalyst in the presence of donated hydrogen atoms at an exposure temperature greater than 190° C. for a time of at least thirty minutes. The donated hydrogen atoms are donated from at least one hydrogen donating compound during exposure of the converted lignin feedstream to the at least one catalyst at the exposure temperature. The resulting products are comprised largely of aromatics.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: August 1, 2017
    Assignee: Biochemtex S.p.A.
    Inventors: Krishna Sharma, Aaron Murray, Steven Ryba
  • Patent number: 9593239
    Abstract: This specification discloses a composition of a melt blend comprising a continuos polyester phase, a cobalt of manganese compound and a first scavenging compound wherein the first scavenging compound comprises at least one allylic group and at least one polar moiety and at least some of the first scavenging compound or the oligomer or the polymer comprising the first scavenging compound is not present in the continuous polyester phase. The partial insolubility is essential for oxygen scavenging and the solubility is essential for reducing haze. The composition is useful in preforms, container walls, and films for packaging.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: March 14, 2017
    Assignee: Biochemtex, S.p.A.
    Inventors: Ricardo Knudsen, D. Jeffrey Black, Gianluca Ferrari, Aaron Murray
  • Publication number: 20170058078
    Abstract: The present specification discloses a composition comprising a plurality of diols which is useful for the production of polyester bottles, wherein the diols are mainly obtained from the conversion of a ligno-cellulosic biomass feedstock stream. The composition comprises ethylene glycol and at least one diol selected from the group of diols having a formula of CH(OH)2, wherein n is the total number of carbons and is an integer in the range from 3 to 20, z is an integer in the range from 0 to 2n, and C1 and C2 are each attached to one of the OH groups of the formula (e.g. 1,2-Propylene glycol, 1,2-Butanediol and 1,2-Pentanediol) and wherein the composition is substantially free of diols which absorb light at a wavelength of 275 nm, so that the percent light transmission of the composition at a wavelength of 275 nm is greater than 40%.
    Type: Application
    Filed: September 2, 2014
    Publication date: March 2, 2017
    Applicant: Biochemtex S.p.A.
    Inventors: Beatriz RIVAS TORRES, Dario GIORDANO, Guido GHISOLFI, Marco BERNARDI, Daniela TODARO, Irene BOZZANO, Tommaso CRIPPA
  • Patent number: 9533927
    Abstract: A process for producing polyols from a low viscosity slurry comprising a thermally treated ligno-cellulosic biomass which has been subjected to a fiber shives reduction step is provided. Specifically, a continuous process for catalyzing the formation of polyol products, such as ethylene glycol and propylene glycol, from the low viscosity slurry is provided.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: January 3, 2017
    Assignee: Biochemtex S.p.A.
    Inventors: Piero Ottonello, Paolo Torre, Dario Giordano, Stefano Paravisi, Chiara Prefumo, Pietro Pastorino
  • Publication number: 20160368842
    Abstract: It is disclosed a continuous process for producing a polyols stream comprising ethylene glycol and propylene glycol, wherein a liquid sugar stream comprising water and at least a monomeric sugar is introduced into a first reaction zone and subjected to a first reaction, which is a hydrogenation reaction of the at least a monomeric sugar, at a first catalytic conditions and in the presence of a first hydrogen gas to produce an hydrogenated mixture comprising at least a sugar alcohol. At least a portion of the hydrogenated mixture and at least a portion of the first hydrogen gas are then transferred to a second reaction zone and subjected to a second reaction, which is a hydrogenolysis reaction of the at least a sugar alcohol, at second catalytic conditions to produce a hydrogenolysis mixture comprising at least a polyol.
    Type: Application
    Filed: February 13, 2015
    Publication date: December 22, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Marco BERNARDI, Irene BOZZANO, Daniela TODARO
  • Publication number: 20160362353
    Abstract: It is disclosed an integrated process for producing at least a cellulosic pulp comprising cellulose in the form of fibers and a polyols stream from a ligno-cellulosic feedstock comprising cellulose, hemicellulose and lignin. The process comprises the steps of: a) Treating the ligno-cellulosic feedstock to produce the cellulosic pulp and at least a liquid sugar stream comprising water and monomeric sugars derived from the hemicellulose of the ligno-cellulosic feedstock; b) Catalytically converting the monomeric sugars of the liquid sugar stream to a polyols mixture, comprising primary polyols and secondary polyols; c) Separating at least a portion of the polyols mixture into at least the polyols stream and a residual stream, wherein the polyols stream comprises the majority by weight of the primary polyols and the residual stream comprises the majority by weight of the secondary polyols; d) Recovering a first thermal energy from the residual stream in a first recovery unit.
    Type: Application
    Filed: February 13, 2015
    Publication date: December 15, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Marco BERNARDI, Patrizia FERRANDO, Srinivasan RAGHAVENDRAN, Andrea BONANNI, Alessandra FRATTINI, Dario GIORDANO
  • Publication number: 20160264499
    Abstract: A process for producing polyols from a low viscosity slurry comprising a thermally treated ligno-cellulosic biomass which has been subjected to a fiber shives reduction step is provided. Specifically, a continuous process for catalyzing the formation of polyol products, such as ethylene glycol and propylene glycol, from the low viscosity slurry is provided.
    Type: Application
    Filed: October 31, 2014
    Publication date: September 15, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Piero OTTONELLO, Paolo TORRE, Dario GIORDANO, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO
  • Publication number: 20160264875
    Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The process comprises thermally treating the ligno-cellulosic biomass and then subjecting the thermally treated ligno-cellulosic biomass to a step of fiber shives reduction to produce a low viscosity slurry. The continuous process has been demonstrated to create slurry, raise the slurry to ultra high pressures, deoxygenate the lignin in a reactor over a catalyst which not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.
    Type: Application
    Filed: October 31, 2014
    Publication date: September 15, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Piero OTTONELLO, Paolo TORRE, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO
  • Publication number: 20160251611
    Abstract: An method for growing a microbial organism, comprising the cultivation of the microbial organism in the presence of a hydrolyzed composition obtained from a thermally treated ligno-cellulosic biomass. The treatment preferably comprises a fiber shives reduction step. The hydrolyzed composition has very few inhibitor compounds and the microbial organism feed with the hydrolyzed composition grows in a short time with a high duplication factor.
    Type: Application
    Filed: October 31, 2014
    Publication date: September 1, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Piero OTTONELLO, Simone FERRERO, Paolo TORRE, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO, Alessia FICALBI
  • Publication number: 20160244555
    Abstract: It is disclosed a process for producing a low boiling mixture comprising ethylene glycol and propylene glycol from a liquid sugar stream derived from a ligno-cellulosic biomass feedstock. The liquid sugar stream is catalytically converted in the presence of hydrogen to a mixture, which is separated into at least a high boiling mixture, comprising glycerol, and the low boiling mixture. The high boiling mixture is converted to hydrogen by reforming and the reforming hydrogen is used in the catalytical steps. Preferably, all the hydrogen used in the conversion process is generated by aqueous phase reforming of the high boiling polyols mixture.
    Type: Application
    Filed: October 16, 2014
    Publication date: August 25, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Marco BERNARDI, Daniela TODARO, Chiara DORATI
  • Publication number: 20160244894
    Abstract: It is disclosed a process for increasing the enzymatic accessibility of a thermally treated ligno-cellulosic biomass feedstock which has been thermally treated at a severity factor. The process comprises a step of fiber shives reduction, for reducing the amount of long shives. The thermally treated ligno-cellulosic biomass after fiber shives reduction is characterized by having an increased glucans accessibility and by forming a slurry having a low viscosity.
    Type: Application
    Filed: October 31, 2014
    Publication date: August 25, 2016
    Applicant: Biochemtex S.p.A.
    Inventors: Piero OTTONELLO, Paolo TORRE, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO, Dario GIORDANO
  • Patent number: 9340476
    Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.
    Type: Grant
    Filed: February 24, 2013
    Date of Patent: May 17, 2016
    Assignee: Biochemtex S.p.A.
    Inventors: Guliz Arf Elliott, Dan Gastaldo, Aaron Murray, Steven Ryba
  • Patent number: 9340468
    Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The continuous process further utilizes nanoparticles of a crystalline metal oxide. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: May 17, 2016
    Assignee: Biochemtex S.p.A.
    Inventors: Krishna Sharma, Aaron Murray, Steven Ryba, Dan Gastaldo, Guliz Arf Elliott
  • Patent number: 9284615
    Abstract: This specification describes a process of producing a monomeric sugar stream, with little or no acid addition, from an oligomeric sugar solution using the intrinsic features of the mildly pre-treated vegetable or ligno-cellulosic biomass, namely the presence of naturally occurring salts. This is accomplished by lowering the pH of the oligomer sugar solution with little or no addition of an acid and then exposing the biomass with the lowered pH to an elevated temperature greater than 80° C. for a time sufficient to hydrolyze the components of the biomass.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: March 15, 2016
    Assignee: Biochemtex S.p.A.
    Inventors: Beatriz Rivas Torres, Michelle Marrone, Irene Bozzano
  • Publication number: 20160068456
    Abstract: This specification discloses a complete method to manufacture polyester articles from freshly harvested ligno-cellulosic biomass. The process steps include pretreating the biomass and the converting the lignin to one of several possible organic steams by deoxygenating and dehydrogenating the lignin in the presence of a Raney Nickel catalyst, separating the organics, and then processing the organics into polyester feedstocks and converting those feedstocks to polyester.
    Type: Application
    Filed: November 16, 2015
    Publication date: March 10, 2016
    Applicant: Biochemtex, S.p.A.
    Inventors: Aaron MURRAY, Steven RYBA
  • Publication number: 20150343405
    Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.
    Type: Application
    Filed: August 13, 2015
    Publication date: December 3, 2015
    Applicant: Biochemtex S.p.A.
    Inventors: Dan GASTALDO, Steven RYBA, Aaron MURRAY, Guliz Arf ELLIOTT