公开(公告)号：US20220213228A1

公开(公告)日：2022-07-07

申请号：US17610584

申请日：2020-05-15

Applicant: Purdue Research Foundation

Inventor： Alexander Wei ,  Tae Hoo Chang ,  Miran Mavlan

IPC: C08B1/00 ,  C08B3/10 ,  C08B15/00 ,  C08J3/09 ,  C08B15/08

Abstract: The present disclosure generally relates to a process for manufacturing a processable dried cellulose nanomaterial using a co-solvent of tert-butyl alcohol (TBA), of which unique physical/chemical properties enable facile modification/derivatization. This present disclosure also relates to materials and process of generating of superhydrophobic surface coating using hydrophobic carboxylic acid modified cellulose nanofibers. Both the processes and the products thereof are within the scope of this disclosure.

公开(公告)号：US11299556B2

公开(公告)日：2022-04-12

申请号：US16093271

申请日：2017-04-12

Applicant: TREETOTEXTILE AB

Inventor： Carina Olsson ,  Bengt Hagström ,  Tobias Köhnke

IPC: C08B1/00 ,  C08B1/08 ,  C08B9/00 ,  C08B9/04 ,  C08B9/06 ,  C08B15/06 ,  C08K3/02 ,  C08K5/21 ,  C08L1/02 ,  C08L1/22 ,  C08L97/02 ,  D01D5/06 ,  D01F1/10 ,  D01D1/02 ,  D01F2/02 ,  C08J3/05 ,  C08K3/22

Abstract: The present invention describes a method for the production of a spinning dope composition, said method comprising a homogenization involving vigorous mixing of a cellulosic pulp material in alkali solution, vigorous mixing implying supplying a power density to agitators used in the homogenization step of at least 150 k W/m3 (k W supplied to agitators per mixed unit of liquid volume), and thereafter a dissolution involving mixing of the cellulosic pulp material in the alkali solution to obtain a spinning dope composition, wherein the power density supplied to agitators used in the dissolution step is maximum 75 k W/m3 (k W supplied to agitators per mixed unit of liquid volume); and wherein the cellulosic pulp material in alkali solution is kept at a temperature of less than 0° C. during the homogenization and during at least part of the dissolution. The present invention is also directed to a system intended for the production of a spinning dope composition.

公开(公告)号：US11254026B2

公开(公告)日：2022-02-22

申请号：US15781978

申请日：2016-12-07

Applicant: Timothée Boitouzet

Inventor： Timothée Boitouzet ,  Benjamin Droguet

IPC: B27K3/08 ,  B27K3/15 ,  B27K5/00 ,  B27K3/02 ,  C08B1/00 ,  C08H8/00

Abstract: The invention relates to a process for treating a lignocellulosic material, preferably wood, comprising the following steps: (1) soaking of the material with organic fluid in order to dissolve at least 40% and at most 85%, in weight %, of the lignin of the material; (2) washing with organic fluid so as to discharge the dissolved lignin; (3) filling with a filling compound; and (4) finishing, so as to obtain a composite formed of a three-dimensional network of transformed filling compound incorporated into a cellulose and lignin network. The invention also relates to a composite structure able to be obtained in this way, and to any part comprising at least one such structure.

公开(公告)号：US20210139519A1

公开(公告)日：2021-05-13

申请号：US16875241

申请日：2020-05-15

Applicant: American Process International LLC

Inventor： Mikhail Iakovlev ,  Theodora Retsina ,  Adriaan van Heiningen ,  Myrto Papaioannou ,  Eleni Natsi

IPC: C07G1/00 ,  C08L97/02 ,  C08B1/00

Abstract: A process for the production of cellulose, lignocellulosic sugars, lignosulfonate, and ethanol from lignocellulosic biomass. The process comprises steaming, pretreatment, chemical recovery, saccharification, and optionally fermentation. The pretreatment conditions use only sulfur dioxide and water, simultaneously resulting in high glucan conversion to glucose at low enzyme charges, high recovery of hemicellulose-derived monomeric sugars, high lignosulfonate yield, and the absence of lignin precipitates. High-yield production of ethanol through fermentation can be obtained using this process.

公开(公告)号：US10982010B2

公开(公告)日：2021-04-20

申请号：US15777360

申请日：2016-11-21

Applicant: IP2IPO Innovations Limited

Inventor： Jason Hallett ,  Paul Fennell ,  Florence Gschwend ,  Agnieszka Brandt-Talbot ,  Geoffrey Kelsall

IPC: C08B1/00 ,  C08H8/00 ,  B01D11/02 ,  C07G1/00 ,  C07H3/02 ,  C12P19/02 ,  C13K1/02

Abstract: The present invention relates to a process for extracting oxidised metal pollutants from treated cellulosic or lignocellulosic biomass to recover the metal. The treatment also generates a cellulosic or lignocellulosic biomass which can to be used as a feedstock for biofuel, for making cellulose containing materials, and provides a source of other renewable chemicals.

公开(公告)号：US10960401B2

公开(公告)日：2021-03-30

申请号：US15645001

申请日：2017-07-10

Applicant: CLARIANT INTERNATIONAL LTD.

Inventor： Ralf Hortsch ,  Thomas Hoppe ,  Bjoern Huehnlein

IPC: B02C23/00 ,  B02C23/06 ,  B02C23/14 ,  B02C23/08 ,  A23K10/12 ,  A23K10/32 ,  C12P7/08 ,  C08B1/00 ,  B09B3/00 ,  C08H8/00 ,  C12P7/10 ,  C08B37/00 ,  B09B5/00 ,  B08B5/00 ,  C12P7/00

Abstract: A process for the decomposition of biomass-material includes subjecting a lignocellulose-containing biomass-material to comminution, subjecting the comminuted lignocellulose-containing biomass-material to a sifting to separate from the comminuted lignocellulose-containing biomass-material a fraction of small-particles, and subjecting the remaining comminuted lignocellulose-containing biomass-material to a pretreatment. Before, during, or after the pretreatment, small particles can be added to the remaining comminuted lignocellulose-containing biomass-material. Optionally, the small particles can be added continuously during the pretreatment. The addition of small particles decreases friction of the remaining comminuted lignocellulose-containing biomass-material results in decreased process time, energy savings, and reduced production costs.

公开(公告)号：US20200308765A1

公开(公告)日：2020-10-01

申请号：US16062493

申请日：2016-12-14

Applicant: Betulium Oy

Inventor： Antti LAUKKANEN ,  Marko LAURAEUS ,  Jason MCKEE ,  Timo PÄÄKKÖNEN ,  Tapio SAARINEN

IPC: D21C3/02 ,  C08B1/00 ,  C08L1/02 ,  D21C9/02 ,  D21C9/10 ,  D21D1/20 ,  D21C7/06 ,  D21C7/08

Abstract: A method for producing parenchymal cell cellulose by using a high consistency alkali treatment and an optional refinement step, as well as an apparatus for its manufacture.

公开(公告)号：US20190300493A1

公开(公告)日：2019-10-03

申请号：US16343648

申请日：2017-12-22

Applicant: AUROTEC GMBH

Inventor： Stefan ZIKELI ,  Hannes KITZLER ,  Verena FOSODEDER ,  Tobias BAUMEISTER

IPC: C07D295/24 ,  B01J19/00 ,  B01J19/24 ,  B01J19/02 ,  C08B1/00

Abstract: A method for producing an amine oxide by oxidation of a tertiary amine in a reactor under continuous introduction of tertiary amine in a reaction fluid and export of amine oxide, wherein a suitable surface-to-volume ratio and/or a suitable flow speed with corresponding surface/volume loads are selected in the continuous process. The reaction fluid is usually reacted in the reactor with a laminar flow.

公开(公告)号：US20190241679A1

公开(公告)日：2019-08-08

申请号：US15777360

申请日：2016-11-21

Applicant: Imperial Innovations Limited

Inventor： Jason Hallett ,  Paul Fennell ,  Florence Gschwend ,  Agnieszka Brandt-Talbot ,  Geoffrey Kelsall

IPC: C08B1/00 ,  C07H3/02 ,  C13K1/02 ,  C12P19/02 ,  C07G1/00 ,  B01D11/02

CPC classification number: C08B1/003 ,  B01D11/0288 ,  C07G1/00 ,  C07H3/02 ,  C08H8/00 ,  C12P19/02 ,  C13K1/02

Abstract: The present invention relates to a process for extracting oxidised metal pollutants from treated cellulosic or lignocellulosic biomass to recover the metal. The treatment also generates a cellulosic or lignocellulosic biomass which can to be used as a feedstock for biofuel, for making cellulose containing materials, and provides a source of other renewable chemicals.

公开(公告)号：US10364328B2

公开(公告)日：2019-07-30

申请号：US15306533

申请日：2015-04-27

Applicant: Korea University Research and Business Foundation

Inventor： Kyoung Heon Kim ,  Young Hoon Jung

IPC: C08B1/00 ,  C08H8/00 ,  C12P7/10

Abstract: The present invention relates to a method for pretreating lignocellulose by using an acid-base mixture catalyst. The method pretreats lignocellulose, by using a mixture catalyst of an acid and a base, so as not to pass through additional neutralization steps, and carries out pretreatment and simultaneous saccharification and fermentation through an identical single reactor process, thereby having an effect of producing ethanol in an excellent production yield from lignocellulosic biomass while simplifying the total process and reducing equipment costs and total processing costs.