ES2053663T3 - Procedimiento para la oxideshidratacion de acido isobutirico. - Google Patents

Procedimiento para la oxideshidratacion de acido isobutirico.

Info

Publication number
ES2053663T3
ES2053663T3 ES88115393T ES88115393T ES2053663T3 ES 2053663 T3 ES2053663 T3 ES 2053663T3 ES 88115393 T ES88115393 T ES 88115393T ES 88115393 T ES88115393 T ES 88115393T ES 2053663 T3 ES2053663 T3 ES 2053663T3
Authority
ES
Spain
Prior art keywords
acid
isobutirico
oxideshidratacion
procedure
catalyst
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.)
Expired - Lifetime
Application number
ES88115393T
Other languages
English (en)
Inventor
Wolfgang Dr Ing Ruppert
Hermann-Josef Dr Siegert
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.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Application granted granted Critical
Publication of ES2053663T3 publication Critical patent/ES2053663T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

EL ACIDO ISOBUTIRICO SE DEHIDROGENA EN FASE GASEOSA EN UN CATALIZADOR HETEROGENEO EN UN LECHO FLUIDIZO CON OXIGENO O AIRE Y MENOS DE 2 MOL DE VAPOR DE AGUA POR CADA MOL DE ACIDO ISOBUTIRICO, PREFERENTEMENTE CON PRESION NEGATIVA, CONVIRTIENDOSE EN ACIDO METACRILICO. PREFERENTEMENTE SE SUSTITUYE UNA PARTE DEL CATALIZADOR DE FORMA CONTINUA.
ES88115393T 1987-09-24 1988-09-20 Procedimiento para la oxideshidratacion de acido isobutirico. Expired - Lifetime ES2053663T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873732106 DE3732106A1 (de) 1987-09-24 1987-09-24 Verfahren zur oxydehydrierung von isobuttersaeure

Publications (1)

Publication Number Publication Date
ES2053663T3 true ES2053663T3 (es) 1994-08-01

Family

ID=6336729

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88115393T Expired - Lifetime ES2053663T3 (es) 1987-09-24 1988-09-20 Procedimiento para la oxideshidratacion de acido isobutirico.

Country Status (4)

Country Link
EP (1) EP0308865B1 (es)
JP (1) JPH01106841A (es)
DE (2) DE3732106A1 (es)
ES (1) ES2053663T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8820153A (nl) * 1987-03-17 1989-02-01 Roehm Gmbh Activiteitsstabilisering en reactivering van heteropolyzuur-katalysatoren.
FR2660576B1 (fr) * 1990-04-06 1994-05-06 Norsolor Systeme catalytique resistant a l'attribution et son application a l'oxydeshydrogenation d'acides carboxyliques satures, notamment en reacteurs a lit entraine.
JP4715712B2 (ja) 2006-10-13 2011-07-06 住友化学株式会社 メタクリル酸製造用触媒の再生方法及びメタクリル酸の製造方法。
UA106058C2 (uk) * 2008-12-15 2014-07-25 Сесол Текнолоджі (Пропрайєтері) Лімітед Каталізатори

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046840B1 (de) * 1980-08-28 1983-10-05 Röhm Gmbh Verfahren zur oxydativen Dehydrierung von Isobuttersäure zu Methacrylsäure
DE3145091A1 (de) * 1981-11-13 1983-05-19 Röhm GmbH, 6100 Darmstadt Verfahren zur herstellung von methacrylsaeure
DE3626255A1 (de) * 1986-08-02 1988-02-11 Roehm Gmbh Regenerativ-katalytische oxidehydrierung von isobuttersaeure oder deren estern

Also Published As

Publication number Publication date
JPH01106841A (ja) 1989-04-24
DE3878115D1 (de) 1993-03-18
EP0308865A2 (de) 1989-03-29
DE3732106A1 (de) 1989-04-06
EP0308865A3 (en) 1990-09-19
EP0308865B1 (de) 1993-02-03

Similar Documents

Publication Publication Date Title
ES546163A0 (es) Un procedimiento criogeno de separacion de aire para produ- cir nitrogeno a presion elevada,y oxigeno de pureza muy alta
USD266470S (en) Patient treatment mattress with inflatable channels
USD243557S (en) Foot massage roller
HUT44937A (en) Process for producing pharmaceuticals comprising dipyridamole or mopidamole and o-acetyl-salicylic acid, resp. the salts thereof
IT1228685B (it) Indicatore del tempo di dosaggio di flaconi di medicinali e flacone per medicinali dotato di un simile indicatore.
USD299863S (en) Body massager
ATE71953T1 (de) Bursopoietin.
USD295558S (en) Clip for a baby's pacifier
EP0503887A3 (en) Promotion of wound-healing with 15-keto-prostaglandin compounds
USD290228S (en) Bottle or the like
IT8621176A0 (it) Procedimento per rivestire continuamente un tunnel con calcestruzzo estruso alimentato lungo l'asse longitudinale del tunnel stesso.
USD292641S (en) Cap for bubble blowing
USD297503S (en) Hammer
AU4628193A (en) Use of a direct-acting thrombin inhibitor for the manufacture of a medicinal product having thrombolytic activity
USD302469S (en) Baby bottle
USD298651S (en) Nomogram for calculating the maximum tolerable blood loss of a patient
USD225583S (en) Infant nursing bottle
USD296472S (en) Vascular puncture dressing
USD304464S (en) Catenary arch building toy
USD228145S (en) Candelabra
USD239221S (en)
USD237061S (en) Base for annular template and scriber
USD236239S (en) Dry shaver or similar article
DK597287D0 (da) 2-chlor-4-(cyanomethyl)thio)phenyl-n-methylcarbamat og anvendelse deraf til laegemiddel
USD221237S (en) Holder for tape cassettes or similar article

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 308865

Country of ref document: ES