PT3500553T - Processo para a produção de isocianato e pelo menos um outro produto químico num sistema de produção integrada - Google Patents

Processo para a produção de isocianato e pelo menos um outro produto químico num sistema de produção integrada

Info

Publication number
PT3500553T
PT3500553T PT177543360T PT17754336T PT3500553T PT 3500553 T PT3500553 T PT 3500553T PT 177543360 T PT177543360 T PT 177543360T PT 17754336 T PT17754336 T PT 17754336T PT 3500553 T PT3500553 T PT 3500553T
Authority
PT
Portugal
Prior art keywords
isocyanate
producing
chemical product
further chemical
integrated production
Prior art date
Application number
PT177543360T
Other languages
English (en)
Original Assignee
Covestro Deutschland Ag
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
Application filed by Covestro Deutschland Ag filed Critical Covestro Deutschland Ag
Publication of PT3500553T publication Critical patent/PT3500553T/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/54—Preparation of compounds containing amino groups bound to a carbon skeleton by rearrangement reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/45—Monoamines
    • C07C211/46—Aniline
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/00029—Batch processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/00031—Semi-batch or fed-batch processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00027—Process aspects
    • B01J2219/00033—Continuous processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/00495—Means for heating or cooling the reaction vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/0059—Sequential processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/49—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton
    • C07C211/50—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
PT177543360T 2016-08-17 2017-08-15 Processo para a produção de isocianato e pelo menos um outro produto químico num sistema de produção integrada PT3500553T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16184618 2016-08-17
EP17178902 2017-06-30

Publications (1)

Publication Number Publication Date
PT3500553T true PT3500553T (pt) 2021-07-29

Family

ID=59656060

Family Applications (1)

Application Number Title Priority Date Filing Date
PT177543360T PT3500553T (pt) 2016-08-17 2017-08-15 Processo para a produção de isocianato e pelo menos um outro produto químico num sistema de produção integrada

Country Status (8)

Country Link
US (1) US10618871B2 (pt)
EP (1) EP3500553B1 (pt)
JP (1) JP7022113B2 (pt)
KR (1) KR20190039518A (pt)
CN (1) CN109563028B (pt)
HU (1) HUE055741T2 (pt)
PT (1) PT3500553T (pt)
WO (1) WO2018033536A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10759736B2 (en) * 2018-10-17 2020-09-01 Covestro Deutschland Ag Process for the preparation of di- and polyamines of the diphenylmethane series
WO2023041782A1 (en) * 2021-09-20 2023-03-23 Basf Se Chemical production assembly for isocyanates
EP4310224A1 (de) * 2022-07-19 2024-01-24 Covestro Deutschland AG Nachhaltige herstellung organischer aminoverbindungen für die produktion organischer isocyanate

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256999A (en) 1939-03-08 1941-09-23 Du Pont Nitration of organic compounds
DE1114820B (de) 1960-01-15 1961-10-12 Basf Ag Verfahren zur Herstellung von Anilin
DE1133394B (de) 1961-01-18 1962-07-19 Basf Ag Verfahren zur Herstellung von Anilin durch katalytische Hydrierung von Nitrobenzol
GB1452466A (en) 1975-04-04 1976-10-13 Chemopetrol Process for the production of aniline and apparatus therefor
DE2849002A1 (de) 1978-11-11 1980-05-22 Bayer Ag Verfahren zur katalytischen hydrierung von nitrobenzol
DE3409717C2 (de) 1984-03-16 1994-03-31 Bayer Ag Verfahren zur Herstellung von Nitrobenzol
DE3714439A1 (de) 1987-04-30 1988-11-10 Bayer Ag Verfahren zur herstellung von (cyclo)aliphatischen diisocyanaten
DE3736988C1 (de) 1987-10-31 1989-03-23 Bayer Ag Verfahren zur kontinuierlichen Herstellung von organischen Mono- und Polyisocyanaten
DE3744001C1 (de) 1987-12-24 1989-06-08 Bayer Ag Verfahren zur kontinuierlichen Herstellung von Mono- oder Polyisocyanaten
DE69026590T2 (de) 1990-01-04 1996-10-31 Nrm Int Tech Nitrierungsverfahren
JP2825604B2 (ja) 1990-04-11 1998-11-18 三井化学株式会社 メチレン架橋されたポリアリールアミンの製造方法
US5136087A (en) 1991-05-15 1992-08-04 Miles Inc. Preparation of polymethylene polyphenyl polyisocyanate
DE4217019A1 (de) 1992-05-22 1993-11-25 Bayer Ag Verfahren zur Herstellung von aromatischen Diisocyanaten
US5364958A (en) * 1992-06-23 1994-11-15 Mitsui Toatsu Chemicals, Incorporated Process for the production of methylene-crosslinked polyphenylene polyisocyanate
US5286760A (en) 1992-10-09 1994-02-15 Miles, Inc. Process for reducing impurity levels in methylene diphenyamines
DE4428018A1 (de) 1994-08-08 1996-02-15 Bayer Ag Verfahren zur Herstellung von aromatischen Aminen
DE4428017A1 (de) 1994-08-08 1996-02-15 Bayer Ag Verfahren zur Herstellung von aromatischen Aminen
DE19539205A1 (de) 1995-10-22 1997-04-24 Meissner Gmbh & Co Kg Josef Verfahren zur Aromatennitrierung
DE19651688A1 (de) 1996-12-12 1998-06-18 Bayer Ag Verfahren zur Herstellung von aromatischen Aminen durch Gasphasenhydrierung
DE19804915A1 (de) 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
PT1272268E (pt) 2000-03-02 2012-07-24 Dow Global Technologies Llc Reator tubular, processo de realização de reações multifásicas líquido/ líquido num reator tubular, e um processo de nitração cíclica de compostos aromáticos num reator tubular
DE10111337A1 (de) * 2001-03-08 2002-09-12 Basf Ag Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI
EP1371634A1 (en) * 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate
EP1371633A1 (en) 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
EP1413571B1 (en) 2002-10-22 2006-08-23 Bayer MaterialScience AG Process for the purification of toluenediisocyanate incorporating a dividing-wall distillation column for the final purification
DE10260027A1 (de) * 2002-12-19 2004-07-08 Basf Ag Verfahren zur Abtrennung und Reinigung von Lösungsmittel von einem Reaktionsgemisch aus einer Isocyanatsynthese
EP1475367B1 (de) 2003-05-08 2010-07-07 Bayer MaterialScience AG Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane
DE102004032416A1 (de) 2004-07-05 2006-02-02 Bayer Materialscience Ag Verfahren zur Herstellung von Polyaminen der Diphenylmethanreihe bei niedriger Protonierung
DE102004032871A1 (de) 2004-07-07 2006-02-09 Bayer Materialscience Ag Verfahren zur Herstellung von Polyisocyanaten durch adiabate Phosgenierung von primären Aminen
DE102005004170A1 (de) 2005-01-29 2006-08-03 Bayer Materialscience Ag Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane
EP1979306B1 (de) * 2006-01-20 2013-04-17 Basf Se Verfahren zur simultanen herstellung von 4,4'-diphenylmethandiamin sowie diphenylmethandiisocyanat und polyphenylenpolymethylenpolyisocyanaten
DE102006022448A1 (de) * 2006-05-13 2007-11-15 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten
US7547801B2 (en) 2006-06-26 2009-06-16 Bayer Materialscience Llc Process for the continuous preparation of isocyanates
DE102006035203A1 (de) 2006-07-29 2008-01-31 Bayer Materialscience Ag Verfahren zur Herstellung von aromatischen Aminen
EP2069283B1 (de) 2006-09-19 2010-06-30 Basf Se Verfahren zur herstellung von aromatischen aminen in einem wirbelschichtreaktor
DE102006058634A1 (de) 2006-12-13 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
DE102006058633A1 (de) 2006-12-13 2008-06-19 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
EP2014641A3 (en) * 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
DE102008012037A1 (de) 2008-03-01 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten
DE102008061686A1 (de) 2008-12-11 2010-06-17 Bayer Materialscience Ag Verfahren zur Herstellung von Isocyanaten in der Gasphase
BR112012007391B1 (pt) * 2009-10-20 2018-09-25 Basf Se processo para preparação de processamento destilativo de diisocianato de difenilmetano
ES2502537T3 (es) * 2009-10-27 2014-10-03 Basf Se Procedimiento para la producción acoplada de di- y/o poliisocianatos y glicoles
US8906204B2 (en) 2009-12-21 2014-12-09 Butamax Advanced Biofuels Llc Methods for alcohol recovery and concentration of stillage by-products
EP2523933B1 (de) 2010-01-14 2015-03-18 Bayer Intellectual Property GmbH Verfahren zur herstellung von aromatischen aminen in der flüssigphase
PL2547652T3 (pl) 2010-03-18 2015-03-31 Basf Se Sposób wytwarzania izocyjanianów
US8637698B2 (en) 2010-11-19 2014-01-28 Celanese International Corporation Production of acetic acid with an increased production rate
ES2748391T3 (es) * 2011-12-08 2020-03-16 Thyssenkrupp Ind Solutions Ag Procedimiento para la recuperación de calor en instalaciones de monómero de cloruro de vinilo o en el ensamblaje de instalaciones de cloruro de vinilo/poli(cloruro de vinilo) y dispositivo adecuado para ello
IN2014DN07241A (pt) 2012-03-19 2015-04-24 Bayer Ip Gmbh
DE102013205492A1 (de) 2013-03-27 2014-10-02 Wacker Chemie Ag Verfahren zur Herstellung von Vinylacetat
TW201546275A (zh) 2014-02-20 2015-12-16 拜耳材料科學股份有限公司 生產鄰－胺基苯甲酸鹽之重組菌株及來自經由２－胺基苯甲酸之再生資源發酵生產苯胺
TW201546027A (zh) 2014-02-20 2015-12-16 Bayer Materialscience Ag 經由胺茴酸鹽製造苯胺
ES2939945T3 (es) 2015-11-20 2023-04-28 Covestro Intellectual Property Gmbh & Co Kg Procedimiento de preparación del ácido aminobenzoico o de un derivado del ácido aminobenzoico
BR112018012444B1 (pt) 2015-12-18 2024-02-20 Covestro Deutschland Ag Método para produzir ácido orto-aminobenzoico

Also Published As

Publication number Publication date
US20190185419A1 (en) 2019-06-20
JP2019524830A (ja) 2019-09-05
US10618871B2 (en) 2020-04-14
EP3500553A1 (de) 2019-06-26
CN109563028A (zh) 2019-04-02
EP3500553B1 (de) 2021-05-12
JP7022113B2 (ja) 2022-02-17
KR20190039518A (ko) 2019-04-12
WO2018033536A1 (de) 2018-02-22
HUE055741T2 (hu) 2021-12-28
CN109563028B (zh) 2021-11-19

Similar Documents

Publication Publication Date Title
ZA201707321B (en) Flat steel product and method for the production thereof
ZA202003388B (en) Plant-based product and process
EP3156220A4 (en) Layered product and process for producing same
EP3114910A4 (en) Method for manufacturing electronic products, related arrangement and product
IL255878B (en) Spherical fertilizers and a method for their production
HUE052822T2 (hu) Etilén elõállítási eljárás és kémiai komplexum
PT3307511T (pt) Processo para a produção de artigos de multicamadas num processo de moldagem por injeção
EP3339342A4 (en) Polyurethane foam material, molded article, and method for producing polyurethane foam material
EP3372379A4 (en) METHOD FOR THE PRODUCTION OF MOLDING SPILLAGE AND FORMING FOAM
PT3500553T (pt) Processo para a produção de isocianato e pelo menos um outro produto químico num sistema de produção integrada
HUE060390T2 (hu) Eljárás izocianátok elõállítására gázfázisban
EP3100798A4 (en) Die for ironing process, and shaped material production method
PT3354669T (pt) Produto de superfície sólida e processo para o seu fabrico
EP2948494A4 (en) POLYMER PRODUCT AND METHOD OF MANUFACTURING THEREOF, AND PRODUCTION DEVICE FOR POLYMER PRODUCT
EP2948508A4 (en) POLYMER PRODUCT AND METHOD FOR PRODUCING THE SAME, AND APPARATUS FOR PRODUCING POLYMER PRODUCT
PL3394922T3 (pl) Proces i urządzenie do wytwarzania sprężonego wodoru
ZA201901911B (en) Process for producing biocoal and plant therefor
HUE060475T2 (hu) Eljárás izocianátok elõállítására
PT3374074T (pt) Aparelho e processo para a produção de formaldeído
EP3420121C0 (de) Halbzeug, dessen herstellungsverfahren sowie verwendung
SI3174398T1 (sl) Postopek za izdelavo vaflja in slaščičarski izdelek, ki obsega vafelj
SG10202005842QA (en) Process for the production of polyurethane foams
PL3482144T3 (pl) Aparat chłodniczy i sposób jego wytwarzania
IL262369A (en) Process for the production of graphene oxide products and their uses
PL3558689T3 (pl) Sposób i urządzenie do wytwarzania pism drukowanych