Abstract

Methods and systems for fractionating lignocellulosic biomass including hemicellulose, cellulose and lignin, including exploding the biomass cells to devolatilize the biomass, hydrolyzing the hemicellulose to produce a liquid component including hemicellulosic sugars and a solid component including less than 10% hemicellulose, separating the liquid and solid components, vaporizing the cellulose in the solid component, and condensing …

Legal parties

Party
Inventors (applicants): Peter Herbert North
Assignees (initial): Nova Pangaea Technologies, Inc. (Dover, US)
Agents: Fredrikson & Byron, P.A. (attorney)

The application was examined by David A Reifsnyder (USPTO dept. 1778)

Claims

  • 1. A method of fractionating lignocellulosic biomass material comprising: …
  • 2. The method of claim 1 wherein the cellulose hydrolysis reactor applies superheated steam to the biomass …
  • 3. The method of claim 1 wherein the cellulose hydrolysis reactor applies superheated steam to the biomass …

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Brief Description of the Figures

The following drawings are illustrative of particular embodiments of the present invention and therefore do not limit the scope of the invention. The drawings are not to scale (unless so stated) …

Description

Background

It is now generally accepted that fossil fuels are both limited as a resource and cause a net increase in global emissions of carbon dioxide, a “greenhouse gas” implicated in a potential …

Priority

This application claims priority to U.S. provisional patent application Ser. No. 61/246,721, filed Sep. 29, 2009, the disclosure of which is hereby incorporated by reference in its …

Description

The following detailed description is exemplary in nature and is not intended to limit the scope, applicability, or configuration of the invention in any way. Rather, the following description provides …

More details about Method and System for Fractionation of Lignocellulosic Biomass

Miscellaneous patent data

The applicant's first name is Peter Herbert, and his last name is North, similar classification categories are obtained by saccharification of starch or raw materials containing starch, Purifying, Invert sugar, Separation of glucose or fructose from invert sugar, Combined disintegrator, Sugars not otherwise provided for in this class, Tables, Seeding, Fructose, Miscellaneous, Dialyzers, the invention description is illustrated by 10 drawings, the invention is titled Method and System for Fractionation of Lignocellulosic Biomass, the patent grant was extended by 415 days, the claim number 1 is selected as exemplary, located in Dover (US), the assignee organization is Nova Pangaea Technologies, Inc., the recorded agent's organization is Fredrikson & Byron, P.A., originally classified under Cellulose material, the grant number is 08657960, the invention details are shown in 10 figures, the application publication date is Sep. 29, 2010, the assignee is a United States company, the patent particularly claims a method of fractionating lignocellulosic biomass material comprising…, numbered 12/893,429 (application), the application was examined by David A Reifsnyder (1778 USPTO department), 20 claims comprise the protection scope, the grant publication date is Feb. 25, 2014, the known inventor's name is Peter Herbert North, the drawings include the following: Method and System for Fractionation, Schematic diagram of an alternative, Schematic diagram of a devolatilization, Schematic diagram of a system, developed by Peter Herbert North.

Invention classification information

The invention is classified under obtained by saccharification of cellulosic materials, Extracting from solid material, Cellulose material, Steam only, Processes of Chemical Liberation, Recovery or Purification of Natural Cellulose or Fibrous Material, Gas, vapor or mist contact, Defibration by projection or explosion, Charging and / or discharging fibrous material, Plural diverse stage treatment. The designated search classifications include obtained by saccharification of cellulosic materials, Gas, vapor or mist contact, Processes of Chemical Liberation, Recovery or Purification of Natural Cellulose or Fibrous Material, Extracting from solid material, Pretreatment of the finely-divided materials before digesting, Defibration by projection or explosion, Charging and / or discharging fibrous material, Steam only, Sugars not otherwise provided for in this class, with water or steam, Plural diverse stage treatment, Cellulose material, With chemical other than water or steam, Cellulose or derivative.

Patent details
Publication number 08657960
Publication date Feb. 25, 2014
Kind code B2
Application number 12/893,429
Application date Sep. 29, 2010
Application type U
Application series code 12
Extension term 415
National classification 127/37
Total number of claims 20
Exemplary claims 1
Number of drawings 10
Number of figures 10
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