EP3807349A4 - Bacterial cellulose gels, process for producing and methods of use - Google Patents

Bacterial cellulose gels, process for producing and methods of use Download PDF

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Publication number
EP3807349A4
EP3807349A4 EP19819280.9A EP19819280A EP3807349A4 EP 3807349 A4 EP3807349 A4 EP 3807349A4 EP 19819280 A EP19819280 A EP 19819280A EP 3807349 A4 EP3807349 A4 EP 3807349A4
Authority
EP
European Patent Office
Prior art keywords
producing
methods
bacterial cellulose
cellulose gels
gels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19819280.9A
Other languages
German (de)
French (fr)
Other versions
EP3807349A1 (en
Inventor
Ivan I. SMALYUKH
Andrew Johnston HESS
Quingkun LIU
Joshua A. DE LA CRUZ
Blaise Fleury
Eldho ABRAHM
Bohdan Senyuk
Vladyslav Cherpak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Colorado
Original Assignee
University of Colorado
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US16/017,319 external-priority patent/US20190055373A1/en
Application filed by University of Colorado filed Critical University of Colorado
Publication of EP3807349A1 publication Critical patent/EP3807349A1/en
Publication of EP3807349A4 publication Critical patent/EP3807349A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
    • C08J2201/0504—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being aqueous
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/02—Foams characterised by their properties the finished foam itself being a gel or a gel being temporarily formed when processing the foamable composition
    • C08J2205/026—Aerogel, i.e. a supercritically dried gel
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
EP19819280.9A 2018-06-13 2019-06-13 Bacterial cellulose gels, process for producing and methods of use Pending EP3807349A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862684661P 2018-06-13 2018-06-13
US16/017,319 US20190055373A1 (en) 2017-01-11 2018-06-25 Bacterial cellulose gels, process for producing and methods of use
PCT/US2019/037122 WO2019241603A1 (en) 2018-06-13 2019-06-13 Bacterial cellulose gels, process for producing and methods of use

Publications (2)

Publication Number Publication Date
EP3807349A1 EP3807349A1 (en) 2021-04-21
EP3807349A4 true EP3807349A4 (en) 2022-03-23

Family

ID=68842354

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19819280.9A Pending EP3807349A4 (en) 2018-06-13 2019-06-13 Bacterial cellulose gels, process for producing and methods of use

Country Status (6)

Country Link
EP (1) EP3807349A4 (en)
JP (1) JP2021533213A (en)
CN (1) CN112930366A (en)
AU (1) AU2019287564A1 (en)
CA (1) CA3103620A1 (en)
WO (1) WO2019241603A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11612852B2 (en) 2020-05-28 2023-03-28 Palo Alto Research Center Incorporated Tunable, rapid uptake, aminopolymer aerogel sorbent for direct air capture of CO2
CN112662015B (en) * 2020-12-24 2022-09-02 中国科学技术大学 Flame-retardant nano-cellulose composite aerogel with oriented structure and preparation method thereof
CN113402741B (en) * 2021-07-05 2022-05-06 湖南工业大学 Rare earth modified fiber reinforced polylactic acid and preparation method thereof
JP2023175309A (en) * 2022-05-30 2023-12-12 日信化学工業株式会社 Cellulose-siloxane composite particles, method for producing the same, and cosmetic
WO2024009622A1 (en) * 2022-07-05 2024-01-11 Sony Group Corporation Structure, method of manufacturing structure, and heat insulating material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110286948A1 (en) * 2010-05-24 2011-11-24 Nympheas International Biomaterial Corp. Bacterial cellulose film and uses thereof
US20130018112A1 (en) * 2009-09-14 2013-01-17 University Of Nottingham Cellulose nanoparticle aerogels, hydrogels and organogels
WO2017155456A1 (en) * 2016-03-11 2017-09-14 Innventia Ab Method of producing shape-retaining cellulose products, and shape-retaining cellulose products therefrom

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5110462B2 (en) * 2004-08-30 2012-12-26 学校法人日本大学 Lithium ion conductive material using bacterial cellulose organic gel, lithium ion battery and bacterial cellulose airgel using the same
US10150848B2 (en) * 2014-07-31 2018-12-11 Case Western Reserve University Polymer cellulose nanocrystal composite aerogels
US11180627B2 (en) * 2017-01-11 2021-11-23 The Regents Of The University Of Colorado, A Body Corporate Cellulose enabled orientationally ordered flexible gels

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130018112A1 (en) * 2009-09-14 2013-01-17 University Of Nottingham Cellulose nanoparticle aerogels, hydrogels and organogels
US20110286948A1 (en) * 2010-05-24 2011-11-24 Nympheas International Biomaterial Corp. Bacterial cellulose film and uses thereof
WO2017155456A1 (en) * 2016-03-11 2017-09-14 Innventia Ab Method of producing shape-retaining cellulose products, and shape-retaining cellulose products therefrom

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MEGAN E. LEITCH ET AL: "Bacterial Nanocellulose Aerogel Membranes: Novel High-Porosity Materials for Membrane Distillation", ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, vol. 3, no. 3, 9 February 2016 (2016-02-09), US, pages 85 - 91, XP055662721, ISSN: 2328-8930, DOI: 10.1021/acs.estlett.6b00030 *
See also references of WO2019241603A1 *

Also Published As

Publication number Publication date
WO2019241603A9 (en) 2021-03-04
JP2021533213A (en) 2021-12-02
AU2019287564A1 (en) 2021-02-04
WO2019241603A1 (en) 2019-12-19
CN112930366A (en) 2021-06-08
CA3103620A1 (en) 2019-12-19
AU2019287564A8 (en) 2022-07-28
EP3807349A1 (en) 2021-04-21

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