Renewable aromatics from lignocellulosic lignin

Singh, Seema; Varanasi, Patanjali; Simmons, Blake

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
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A42 - headwear
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B - performing operations
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B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
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D01 - natural or man-made threads or fibres
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D10 - indexing scheme associated with sublasses of section d, relating to textiles
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Title: Renewable aromatics from lignocellulosic lignin

Abstract

The present invention provides novel and improved processes for treating a lignocellulosic biomass or technical lignin using ionic liquids to obtain lignin breakdown products and polysaccharide biomass components. Recycling of ionic liquids can be included in the methods of the invention.

Inventors:: Singh, Seema; Varanasi, Patanjali; Simmons, Blake

Issue Date:: 2019-02-19

Research Org.:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1506946

Patent Number(s):: 10208076

Application Number:: 14/757,851

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Classifications (CPCs):: C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07G - COMPOUNDS OF UNKNOWN CONSTITUTION

D - TEXTILES D21 - PAPER-MAKING D21C - PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS

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C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07G - COMPOUNDS OF UNKNOWN CONSTITUTION
C07G1/00 - Lignin

D - TEXTILES D21 - PAPER-MAKING D21C - PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS
D21C11/0007 - {Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
D21C3/20 - with organic solvents {or in solvent environment}

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DOE Contract Number:: AC02-05CH11231

Resource Type:: Patent

Resource Relation:: Patent File Date: 2015 Dec 23

Country of Publication:: United States

Language:: English

Subject:: 59 BASIC BIOLOGICAL SCIENCES; 09 BIOMASS FUELS

Citation Formats


                    Singh, Seema, Varanasi, Patanjali, and Simmons, Blake. Renewable aromatics from lignocellulosic lignin.  United States: N. p., 2019. 
        Web.

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                    Singh, Seema, Varanasi, Patanjali, & Simmons, Blake. Renewable aromatics from lignocellulosic lignin.  United States.

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                    Singh, Seema, Varanasi, Patanjali, and Simmons, Blake. Tue .  
        "Renewable aromatics from lignocellulosic lignin".  United States.  https://www.osti.gov/servlets/purl/1506946.

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@article{osti_1506946,

  title        = {Renewable aromatics from lignocellulosic lignin},

  author       = {Singh, Seema and Varanasi, Patanjali and Simmons, Blake},

  abstractNote = {The present invention provides novel and improved processes for treating a lignocellulosic biomass or technical lignin using ionic liquids to obtain lignin breakdown products and polysaccharide biomass components. Recycling of ionic liquids can be included in the methods of the invention.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2019},

  month        = {2}

}

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Works referenced in this record:

Ionic Liquid Pretreatment of Cellulosic Biomass: Enzymatic Hydrolysis and Ionic Liquid Recycle
patent-application, September 2013

Blanch, Harvey W.; Padmanabhan, Sasisanker
US Patent Application 13/824929; 20130252285
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130252285

Efficient Use of Iconic Liquids
patent-application, October 2014

Teixeira, Rodrigo E.; Knapp, Kurtis G.; Fixmer, Travis A.
US Patent Application 14/343832; 20140309416
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140309416

Biomass pretreatment
patent-application, September 2008

Varanasi, Sasidhar; Schall, Constance Ann; Dadi, Anantharam Prasad
US Patent Application 12/075762; 20080227162
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080227162

Wood liquefaction by ionic liquids
journal, August 2006

Honglu, Xie; Tiejun, Shi
Holzforschung, Vol. 60, Issue 5
https://doi.org/10.1515/HF.2006.084