US20190040158 Production of crystalline cellulose

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United States of America

Application Number 16073310

Application Date 27.01.2017

Publication Number 20190040158

Publication Date 07.02.2019

Grant Number 11168151

Grant Date 09.11.2021

Publication Kind B2

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Applicants NANO-GREEN BIOREFINERIES INC.

Inventors Sean McAlpine
Jory Nakoneshny

Agents Bennett Jones LLP

Title

(EN) Production of crystalline cellulose

Abstract

(EN)

A method of producing crystalline cellulose from a cellulosic material includes the step of reacting the cellulosic material in an aqueous slurry comprising a transition metal catalyst and a hypohalite solution.

C	CHEMISTRY; METALLURGY
08	ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
B	POLYSACCHARIDES; DERIVATIVES THEREOF
15	Preparation of other cellulose derivatives or modified cellulose
02	Oxycellulose; Hydrocellulose; Cellulose hydrate

C	CHEMISTRY; METALLURGY
30	CRYSTAL GROWTH
B	SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
7	Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
14	the crystallising materials being formed by chemical reactions in the solution

C	CHEMISTRY; METALLURGY
30	CRYSTAL GROWTH
B	SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
29	Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
54	Organic compounds
58	Macromolecular compounds

C	CHEMISTRY; METALLURGY
08	ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
H	DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
8	Macromolecular compounds derived from lignocellulosic materials

C	CHEMISTRY; METALLURGY
30	CRYSTAL GROWTH
B	SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
29	Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
60	characterised by shape

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1. US20190040158 - Production of crystalline cellulose

C	CHEMISTRY; METALLURGY
30	CRYSTAL GROWTH
B	SINGLE-CRYSTAL-GROWTH
7	Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
14	the crystallising materials being formed by chemical reactions in the solution