DK168520B1 - Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel - Google Patents

Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel Download PDF

Info

Publication number
DK168520B1
DK168520B1 DK140290A DK140290A DK168520B1 DK 168520 B1 DK168520 B1 DK 168520B1 DK 140290 A DK140290 A DK 140290A DK 140290 A DK140290 A DK 140290A DK 168520 B1 DK168520 B1 DK 168520B1
Authority
DK
Denmark
Prior art keywords
reactor
contact material
hydrocarbon
process according
alkylation
Prior art date
Application number
DK140290A
Other languages
Danish (da)
English (en)
Other versions
DK140290A (da
DK140290D0 (da
Inventor
Sven Ivar Hommeltoft
E Haldor Frederik Axel Tops
Original Assignee
Topsoe Haldor As
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 DK643989A external-priority patent/DK643989A/da
Application filed by Topsoe Haldor As filed Critical Topsoe Haldor As
Priority to DK140290A priority Critical patent/DK168520B1/da
Publication of DK140290D0 publication Critical patent/DK140290D0/da
Priority to US07/626,956 priority patent/US5220095A/en
Priority to SU904831931A priority patent/RU2009111C1/ru
Priority to DE69011300T priority patent/DE69011300T2/de
Priority to EP90124478A priority patent/EP0433954B1/en
Priority to AT90124478T priority patent/ATE109445T1/de
Priority to UA4831931A priority patent/UA26063A1/uk
Priority to ES90124478T priority patent/ES2060915T3/es
Priority to NO905436A priority patent/NO180746C/no
Priority to JP2403190A priority patent/JPH0688914B2/ja
Priority to AR90318652A priority patent/AR246501A1/es
Priority to AU68143/90A priority patent/AU641713B2/en
Publication of DK140290A publication Critical patent/DK140290A/da
Priority to US07/876,017 priority patent/US5245100A/en
Publication of DK168520B1 publication Critical patent/DK168520B1/da
Application granted granted Critical

Links

Classifications

    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0215—Sulfur-containing compounds
    • B01J31/0225—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts
    • B01J31/0227—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts being perfluorinated, i.e. comprising at least one perfluorinated moiety as substructure in case of polyfunctional compounds
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40—Regeneration or reactivation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/56—Addition to acyclic hydrocarbons
    • C07C2/58—Catalytic processes
    • C07C2/62—Catalytic processes with acids
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
    • B01J2231/32—Addition reactions to C=C or C-C triple bonds
    • B01J2231/323—Hydrometalation, e.g. bor-, alumin-, silyl-, zirconation or analoguous reactions like carbometalation, hydrocarbation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/02—Sulfur, selenium or tellurium; Compounds thereof
    • C07C2527/03—Acids of sulfur other than sulfhydric acid or sulfuric acid, e.g. halosulfonic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • C07C2531/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • C07C2531/025—Sulfonic acids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
DK140290A 1989-12-18 1990-06-08 Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel DK168520B1 (da)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DK140290A DK168520B1 (da) 1989-12-18 1990-06-08 Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel
US07/626,956 US5220095A (en) 1989-12-18 1990-12-13 Alkylation process
DE69011300T DE69011300T2 (de) 1989-12-18 1990-12-17 Alkylierungsverfahren.
AT90124478T ATE109445T1 (de) 1989-12-18 1990-12-17 Alkylierungsverfahren.
NO905436A NO180746C (no) 1989-12-18 1990-12-17 Fremgangsmåte for væskefasealkylering av et hydrokarbonmateriale
EP90124478A EP0433954B1 (en) 1989-12-18 1990-12-17 Alkylation process
SU904831931A RU2009111C1 (ru) 1989-12-18 1990-12-17 Способ получения бензиновой фракции
UA4831931A UA26063A1 (uk) 1989-12-18 1990-12-17 Спосіб отримаhhя беhзиhової фракції
ES90124478T ES2060915T3 (es) 1989-12-18 1990-12-17 Procedimiento de alquilacion.
AU68143/90A AU641713B2 (en) 1989-12-18 1990-12-18 Alkylation process
JP2403190A JPH0688914B2 (ja) 1989-12-18 1990-12-18 アルキル化法
AR90318652A AR246501A1 (es) 1989-12-18 1990-12-18 Un procedimiento para la alquilacion en fase liquida de un substrato de hidrocarburo con un agente de alquilacion olefinico.
US07/876,017 US5245100A (en) 1989-12-18 1992-04-28 Alkylation process

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK643989 1989-12-18
DK643989A DK643989A (da) 1989-12-18 1989-12-18 Alkylation process
DK140290 1990-06-08
DK140290A DK168520B1 (da) 1989-12-18 1990-06-08 Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel

Publications (3)

Publication Number Publication Date
DK140290D0 DK140290D0 (da) 1990-06-08
DK140290A DK140290A (da) 1991-06-19
DK168520B1 true DK168520B1 (da) 1994-04-11

Family

ID=26065707

Family Applications (1)

Application Number Title Priority Date Filing Date
DK140290A DK168520B1 (da) 1989-12-18 1990-06-08 Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel

Country Status (12)

Country Link
US (1) US5220095A (ru)
EP (1) EP0433954B1 (ru)
JP (1) JPH0688914B2 (ru)
AR (1) AR246501A1 (ru)
AT (1) ATE109445T1 (ru)
AU (1) AU641713B2 (ru)
DE (1) DE69011300T2 (ru)
DK (1) DK168520B1 (ru)
ES (1) ES2060915T3 (ru)
NO (1) NO180746C (ru)
RU (1) RU2009111C1 (ru)
UA (1) UA26063A1 (ru)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK131092A (da) * 1992-10-27 1994-04-28 Haldor Topsoe As Fremgangsmåde til genvinding af syrekatalysatorer fra syrekatalyserede processer
US5233119A (en) * 1992-11-09 1993-08-03 Phillips Petroleum Company Alkylation process and catalyst therefor
FR2699429B1 (fr) * 1992-12-22 1995-01-27 Inst Francais Du Petrole Catalyseur d'alkylation de paraffines.
DK170019B1 (da) * 1993-03-12 1995-05-01 Topsoe Haldor As Fremgangsmåde til genvinding af brugt fluoreret sulfonsyrekatalysator fra en alkyleringsproces
FR2704161B1 (fr) * 1993-04-20 1995-06-02 Inst Francais Du Petrole Catalyseur d'alkylation de paraffines.
DK170396B1 (da) * 1993-04-20 1995-08-21 Topsoe Haldor As Fremgangsmåde til genvinding af brugt fluoreret sulfonsyrekatalysator fra en alkyleringsproces
US5349116A (en) * 1993-06-25 1994-09-20 Phillips Petroleum Company Alkane alkylation and catalyst therefor
DK171701B1 (da) * 1993-07-06 1997-04-01 Topsoe Haldor As Fremgangsmåde til genvinding af brugt syrekatalysator fra alkylering af carbonhydrider
DK171639B1 (da) * 1993-08-05 1997-03-03 Topsoe Haldor As Fremgangsmåde til alkylering af alifatiske carbonhydrider
IT1265051B1 (it) * 1993-08-06 1996-10-28 Eniricerche Spa Processo per l'alchilazione di idrocarburi alifatici con olefine
DK93193D0 (da) * 1993-08-13 1993-08-13 Haldor Topsoe As Alkylering
EP0645184B1 (fr) * 1993-09-10 1997-07-30 Institut Francais Du Petrole Catalyseur d'alkylation d'isoparaffine C4-C5 par au moins une oléfine C3-C6
US5364976A (en) * 1993-10-29 1994-11-15 Phillips Petroleum Company Alkylation/etherification process
EP0663377A1 (en) * 1994-01-13 1995-07-19 Haldor Topsoe A/S Alkylation process
DK171409B1 (da) * 1994-03-10 1996-10-21 Topsoe Haldor As Fremgangsmåde til genvinding af alkyleringskatalysatorer
FR2719503B1 (fr) * 1994-05-04 1996-06-21 Inst Francais Du Petrole Catalyseur d'alkylation d'isoparaffine C4-C5 par au moins une oléfine C2-C6.
FR2719504B1 (fr) * 1994-05-04 1996-06-21 Inst Francais Du Petrole Catalyseur d'alkylation d'isoparaffine C4-C5 par au moins une oléfine C2-C6.
US5731256A (en) * 1994-05-04 1998-03-24 Institut Francais Du Petrole Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin
DK173114B1 (da) * 1994-06-02 2000-01-31 Topsoe Haldor As Fremgangsmåde til genvinding af brugt sulfonsyrekatalysator samt anvendelse af fremgangsmåden
DE69501483T2 (de) 1994-06-13 1998-04-30 Topsoe Haldor As Verfahren zur Rückgewinnung eines starken Säures aus einer wässrigen Lösung
US5759357A (en) * 1994-06-14 1998-06-02 Haldor Topsoe A/S Process for the recovery of a strong acid from an aqueous solution
US5603812A (en) * 1994-06-17 1997-02-18 Haldor Tops.o slashed.e A/S Process for the recovery of a strong acid from an aqueous solution
DK171932B1 (da) * 1994-12-02 1997-08-18 Topsoe Haldor As Fremgangsmåde til alkylering af alifatiske carbonhydrider
US5574201A (en) * 1995-05-12 1996-11-12 Phillips Petroleum Company Alkylation process
EP0748784A1 (en) * 1995-06-13 1996-12-18 Haldor Topsoe A/S Process for the preparation of alkylated aromatic compounds
DK172596B1 (da) 1996-02-15 1999-02-15 Topsoe Haldor As Fremgangsmåde til fremstilling af et alkyleret carbonhydridprodukt ved trinvis væskefasealkylering af et carbonhydridsubstr
US5817908A (en) * 1996-05-20 1998-10-06 Amoco Corporation Staged alkylation process
DK172906B1 (da) * 1996-06-17 1999-09-27 Topsoe Haldor As Fremgangsmåde til fjernelse af korrosive bestanddele fra en fluidastrøm
US5968868A (en) * 1996-07-04 1999-10-19 Nippon Oil Co., Ltd. Catalyst for use in the alkylation of isoalkanes
US6127309A (en) * 1996-09-19 2000-10-03 Nippon Oil Co., Ltd. Catalyst for use in the alkylation of isoalkanes
DK123796A (da) * 1996-11-05 1998-05-06 Haldor Topsoe As Fremgangsmåde til fremstilling af carbonhydrid produkt med et højt indhold af middeldistilleret produktfraktionering
US5849965A (en) * 1997-05-22 1998-12-15 Amoco Corporation Multistage alkylation process
EP0889015B1 (en) * 1997-07-04 2001-11-07 Haldor Topsoe A/S Process for the removal of acid compounds from a hydrocarbon stream
DK26298A (da) * 1998-02-27 1999-08-28 Haldor Topsoe As Fremgangsmåde til genvinding af sulfonsyreester ud fra carbonhydridstrøm
CN1057989C (zh) 1998-04-22 2000-11-01 中国石油化工总公司 异构烷烃与烯烃的烷基化方法
EP0957086A3 (en) * 1998-05-14 2003-02-12 Haldor Topsoe A/S Process for the removal of metal compounds from an aqueous acid solution
EP0976451A1 (en) 1998-07-31 2000-02-02 Haldor Topsoe A/S Process for the recovery of perfluorinated sulphonic acids from spent acid
DE69913063T2 (de) * 1998-09-14 2004-04-15 Haldor Topsoe A/S Verfahren zur katalytischen Alkylierung einer Kohlenwasserstoff-Zufuhr
US6228797B1 (en) 1998-12-11 2001-05-08 Phillips Petroleum Company Oligomerization catalyst system and method of making and method of using such catalyst system in the oligomerization of olefins
CN1100028C (zh) 1999-07-22 2003-01-29 中国石油化工集团公司 一种异构烷烃与烯烃的烷基化方法
US6395673B1 (en) 2000-06-29 2002-05-28 E. I. Du Pont De Nemours And Company Catalyst of mixed fluorosulfonic acids
US6858770B2 (en) 2001-08-21 2005-02-22 Catalytic Distillation Technologies Paraffin alkylation
US20040052703A1 (en) 2001-08-21 2004-03-18 Catalytic Distillation Technologies Contact structures
US6852902B2 (en) 2002-03-15 2005-02-08 Catalytic Distillation Technologies Method of removing entrained sulfuric acid from alkylate
US7087803B2 (en) * 2002-10-25 2006-08-08 Haldor Topsoe A/S Method for the recovery of perfluorinated sulphonic acid
CN1291954C (zh) * 2004-01-19 2006-12-27 中国石油化工股份有限公司 一种固体酸催化异构烷烃与烯烃的烷基化反应方法
US7119244B2 (en) * 2005-01-13 2006-10-10 Catalytic Distillation Technologies Method of removing organic sulfur compounds from alkylate
US7344692B2 (en) 2005-05-05 2008-03-18 Catalytic Distillation Technologies Process for regenerating spent sulfuric acid
US20060278568A1 (en) * 2005-06-08 2006-12-14 Catalytic Distillation Technologies Method of removing oxygenated sulfur compounds from hydrocarbons
US7495290B2 (en) * 2005-12-14 2009-02-24 Infineon Technologies Ag Semiconductor devices and methods of manufacture thereof
US20080063593A1 (en) * 2006-09-08 2008-03-13 Catalytic Distillation Technologies Low temperature process for regenerating spent sulfuric acid
US8227366B2 (en) 2009-06-01 2012-07-24 Uop Llc Alkylation system including a catalyst regeneration zone, and a process relating thereto
CN104587925B (zh) * 2013-10-31 2017-01-25 中国石油化工股份有限公司 一种微丝接触反应器和一种烷基化反应方法
ES2816018T3 (es) 2015-06-22 2021-03-31 Exelus Inc Alquilación catalizada mejorada, catalizadores de alquilación, y métodos de fabricación de catalizadores de alquilación
US11851386B2 (en) 2021-10-15 2023-12-26 Exelus, Inc. Solid-acid catalyzed paraffin alkylation with rare earth-modified molecular sieve adsorbents

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313103A (en) * 1939-03-25 1943-03-09 Universal Oil Prod Co Alkylation of paraffin hydrocarbons
US3678120A (en) * 1970-01-29 1972-07-18 Universal Oil Prod Co Hydrocarbon conversion catalyst and process
US3778489A (en) * 1971-12-16 1973-12-11 Exxon Research Engineering Co Alkylation with separate olefin streams including isobutylene
US3976759A (en) * 1974-12-30 1976-08-24 Texaco Inc. Process for removal of fluoride compounds from spent alkylation catalyst
US4071576A (en) * 1977-02-28 1978-01-31 Exxon Research & Engineering Co. Process for regenerating fluorosulfuric acid catalyst
US4073821A (en) * 1977-02-28 1978-02-14 Exxon Research & Engineering Co. SO2 Stripping in fluorosulfuric acid catalyst regeneration
JPS5524144A (en) * 1978-08-10 1980-02-21 Nippon Petrochem Co Ltd Aralkylation process
IT1129809B (it) * 1979-03-26 1986-06-11 Ugine Kuhlmann Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione
US4288646A (en) * 1979-10-05 1981-09-08 Pcuk Produits Chimiques Ugine Kuhlmann Regioselective preparation of β-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts
US4508618A (en) * 1984-06-04 1985-04-02 El Paso Products Company Increasing the octane number of natural gasoline with trifluoromethanesulfonic acid
US4544794A (en) * 1984-12-10 1985-10-01 Atlantic Richfield Company Alkylation aide for sulfuric acid catalyzed alkylation units
US4783567A (en) * 1987-11-23 1988-11-08 Uop Inc. HF alkylation process

Also Published As

Publication number Publication date
DE69011300D1 (de) 1994-09-08
ES2060915T3 (es) 1994-12-01
ATE109445T1 (de) 1994-08-15
RU2009111C1 (ru) 1994-03-15
AR246501A1 (es) 1994-08-31
NO905436L (no) 1991-06-19
EP0433954A1 (en) 1991-06-26
JPH041141A (ja) 1992-01-06
NO180746C (no) 1997-06-11
AU641713B2 (en) 1993-09-30
US5220095A (en) 1993-06-15
JPH0688914B2 (ja) 1994-11-09
NO180746B (no) 1997-03-03
UA26063A1 (uk) 1999-04-30
DE69011300T2 (de) 1994-11-17
DK140290A (da) 1991-06-19
EP0433954B1 (en) 1994-08-03
DK140290D0 (da) 1990-06-08
AU6814390A (en) 1991-06-20
NO905436D0 (no) 1990-12-17

Similar Documents

Publication Publication Date Title
DK168520B1 (da) Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel
WO1998015509A1 (en) Alkylation and acylation reactions
DE69405654T2 (de) Verfahren zur Wiedergewinnung von verbrauchten, sauren Katalysatoren in Alkylierungsverfahren
US5245100A (en) Alkylation process
US3953538A (en) Alkylation process startup procedure
EP0633873B1 (en) Two stage production of ether from tertiary alcohol
Xiao et al. Alkylation of isobutane with 2-butene over anion-modified zirconium oxide catalysts
US5675053A (en) Alkylation process
HU212116B (en) Catalyst composition and process for alkylating olefins with isoparaffins
EP0259105A2 (en) Proton catalysed reactions
US4275032A (en) Alkylation combined settler-soaker apparatus
EP0748784A1 (en) Process for the preparation of alkylated aromatic compounds
DE69313497T2 (de) Verfahren zur Verbesserung einer paraffinischen Beschichtung
EP0764623B1 (en) Method for removing sulfolane present in hydrocarbon
US3998903A (en) Alkylation with separate butene streams including isobutylene
EP0790224B1 (en) Staged alkylation process
EP0601599A1 (en) Isoparaffin-Olefin Alkylation
DE69313334T2 (de) Verfahren zur Verbesserung einer paraffinischen Ausgangsmischung
Odioso et al. Direct hydration of olefins with cation exchange resins
DK173114B1 (da) Fremgangsmåde til genvinding af brugt sulfonsyrekatalysator samt anvendelse af fremgangsmåden
EP0054576B2 (en) Process for producing esters from olefins
US4218574A (en) Hydrofluoric acid alkylation utilizing a unitary settler-soaker vessel
KR0186001B1 (ko) 2급-부틸벤젠의 제조방법
US3928487A (en) Alkylation process utilizing hydrofluoric acid with a minor amount of fluorosulfuric acid
US6043404A (en) Removal of alkyl halides from hydrocarbon stream

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

Country of ref document: DK