The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8569018 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 29, 2013

Filed:

Mar. 31, 2009
Applicant:

Seiji Hata, Tokyo, JP;

Inventor:

Seiji Hata, Tokyo, JP;

Assignee:

Biomass Conversions, LLC, Palos Verdes Estates, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The inventive process converts cellulosic biomass into a gel-like state that is readily hydrolyzed by appropriate enzymes. First the biomass is mechanically reduced in size. The biomass is then mixed and kneaded with an aqueous solution of a hydrophilic polymer that acts as a conditioning agent or as a co-solvent. During mixing the cellulose (and hemicellulose) in the biomass swells and becomes hydrated forming a viscous gel-like material. The processed material can then be thinned through the addition of water whereupon hydrolytic enzymes are mixed into the material and rapid hydrolysis into free sugars takes place. Dextrins are effective hydrophilic polymers for conditioning biomass. Polyvinyl alcohol is a particularly effective conditioning agent for use with biomass when converted into a viscous gel by adding borate ions.


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Hata, Seiji. (2013). Simplified method for digestion of cellulosic biomass (U.S. Patent No. 8569018). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8569018

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