ES2171539T3 - Procedimiento para la elaboracion de alcoholes. - Google Patents
Procedimiento para la elaboracion de alcoholes.Info
- Publication number
- ES2171539T3 ES2171539T3 ES95920071T ES95920071T ES2171539T3 ES 2171539 T3 ES2171539 T3 ES 2171539T3 ES 95920071 T ES95920071 T ES 95920071T ES 95920071 T ES95920071 T ES 95920071T ES 2171539 T3 ES2171539 T3 ES 2171539T3
- Authority
- ES
- Spain
- Prior art keywords
- alcohols
- procedure
- elaboration
- bario
- chrome
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
- C07C29/145—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones with hydrogen or hydrogen-containing gases
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/86—Chromium
- B01J23/868—Chromium copper and chromium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/14—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of a —CHO group
- C07C29/141—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/17—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds
- C07C29/175—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrogenation of carbon-to-carbon double or triple bonds with simultaneous reduction of an oxo group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/56—Ring systems containing bridged rings
- C07C2603/58—Ring systems containing bridged rings containing three rings
- C07C2603/60—Ring systems containing bridged rings containing three rings containing at least one ring with less than six members
- C07C2603/66—Ring systems containing bridged rings containing three rings containing at least one ring with less than six members containing five-membered rings
- C07C2603/68—Dicyclopentadienes; Hydrogenated dicyclopentadienes
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE ALCOHOLES POR LA HIDROGENACION CATALITICA DE LOS CORRESPONDIENTES COMPUESTOS DE CARBONILO A ELEVADA PRESION Y TEMPERATURA EN FASE LIQUIDA, UTILIZANDOSE UN CATALIZADOR QUE CONTIENE COBRE SOBRE UN SOPORTE QUE CONTIENE SIO{SUB,2} EN PRESENCIA O AUSENCIA DE UNO O VARIOS DE LOS ELEMENTOS MAGNESIO, BARIO, ZINC O CROMO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4417622 | 1994-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2171539T3 true ES2171539T3 (es) | 2002-09-16 |
Family
ID=6518519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95920071T Expired - Lifetime ES2171539T3 (es) | 1994-05-19 | 1995-05-19 | Procedimiento para la elaboracion de alcoholes. |
Country Status (9)
Country | Link |
---|---|
US (1) | US6201160B1 (es) |
EP (1) | EP0759896B1 (es) |
JP (1) | JP3802056B2 (es) |
KR (1) | KR100366752B1 (es) |
CN (2) | CN1100029C (es) |
DE (1) | DE59510029D1 (es) |
ES (1) | ES2171539T3 (es) |
TW (1) | TW330199B (es) |
WO (1) | WO1995032171A1 (es) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997016466A1 (en) * | 1995-11-03 | 1997-05-09 | Union Carbide Chemicals & Plastics Technology Corporation | Polyurethane (meth)acrylates and processes for preparing same |
WO1997016401A1 (en) * | 1995-11-03 | 1997-05-09 | Union Carbide Chemicals & Plastics Technology Corporation | Reaction mixtures containing substituted hydrocarbon diols and processes for the preparation thereof |
DE19624283A1 (de) * | 1996-06-18 | 1998-01-02 | Basf Ag | Verfahren zur Herstellung von N-substituiertencyclischen Aminen |
DE19730939A1 (de) * | 1997-07-18 | 1999-01-21 | Basf Ag | Verfahren zur Hydrierung von Carbonylverbindungen |
GB9807131D0 (en) * | 1998-04-03 | 1998-06-03 | Ici Plc | Copper-containing materials |
DE19935828A1 (de) | 1999-07-29 | 2001-02-01 | Basf Ag | Herstellung von Pentandiolen aus Alkoxydihydropyranen |
US20020061277A1 (en) * | 2000-09-25 | 2002-05-23 | Engelhard Corporation | Non-pyrophoric water-gas shift reaction catalysts |
DE10055180A1 (de) | 2000-11-08 | 2002-05-29 | Basf Ag | Verfahren zur Hydrierung von Poly- oder Monomethylolalkanalen |
KR100455665B1 (ko) * | 2002-03-23 | 2004-11-06 | 한국화학연구원 | 구리 성분 함유 산폐액을 사용한, 수소화 및 탈수소화반응용 구리/실리카 촉매의 제조 방법 |
US20040224058A1 (en) * | 2003-03-20 | 2004-11-11 | Spi Polyols, Inc. | Maltitol solutions with high maltitol content and methods of making same |
SE0301102D0 (sv) | 2003-04-14 | 2003-04-14 | Tetra Laval Holdings & Finance | Method in connection with the production of a apckaging laminate thus produced and a packaging container manufactures from the packaging laminate |
DE10317543A1 (de) | 2003-04-16 | 2004-11-04 | Basf Ag | Verfahren zur Hydrierung von Methylolalkanalen |
DE102006009839A1 (de) * | 2006-03-01 | 2007-09-06 | Basf Ag | Verfahren zur Hydrierung von Methylolalkanalen zu mehrwertigen Alkoholen mit geringem Acetalgehalt |
DE102006009838A1 (de) * | 2006-03-01 | 2007-09-06 | Basf Ag | Verfahren zur Hydrierung von Methylolalkanalen |
US7388116B2 (en) | 2006-06-06 | 2008-06-17 | Basf Aktiengesellschaft | Hydrogenation of methylolalkanals |
US7462747B2 (en) | 2007-01-05 | 2008-12-09 | Basf Aktiengesellschaft | Process for preparing polyalcohols from formaldehyde having a low formic acid content |
DE102007041380A1 (de) * | 2007-08-31 | 2009-03-05 | Evonik Oxeno Gmbh | Hydrierkatalysator und Verfahren zur Herstellung von Alkoholen durch Hydrierung von Carbonylverbindungen |
KR100884315B1 (ko) * | 2008-01-10 | 2009-02-18 | 이수화학 주식회사 | 이소프로판올의 제조방법 |
MY176941A (en) | 2008-12-09 | 2020-08-27 | Basf Se | Method for producing polymethylols |
RU2530027C2 (ru) | 2008-12-09 | 2014-10-10 | Басф Се | Способ получения полиметилолов |
WO2010079187A1 (de) | 2009-01-12 | 2010-07-15 | Basf Se | Verfahren zur herstellung von polymethylolen |
SG185512A1 (en) | 2010-05-12 | 2012-12-28 | Basf Se | Process for preparing neopentyl glycol |
US8853465B2 (en) | 2010-05-12 | 2014-10-07 | Basf Se | Process for preparing neopentyl glycol |
CN102464636A (zh) * | 2010-11-13 | 2012-05-23 | 华中药业股份有限公司 | 一种dl-泛内酯的合成方法 |
WO2012143309A1 (de) | 2011-04-19 | 2012-10-26 | Basf Se | Verfahren zur herstellung von neopentylglykol |
WO2013026758A1 (de) | 2011-08-23 | 2013-02-28 | Basf Se | Verfahren zur herstellung von neopentylglykol |
CN102513107B (zh) * | 2011-12-20 | 2013-09-18 | 淄博明新化工有限公司 | 加氢法制备新戊二醇用铜基催化剂及其制备方法 |
CN103447044B (zh) * | 2012-05-28 | 2016-01-13 | 北京三聚环保新材料股份有限公司 | 一种加氢生产新戊二醇的催化剂 |
DE102013021512A1 (de) | 2013-12-18 | 2015-06-18 | Oxea Gmbh | Verfahren zur Herstellung von 3-Hydroxyalkanalen |
DE102013021509B4 (de) | 2013-12-18 | 2020-10-01 | Oxea Gmbh | Verfahren zur Herstellung von 3-Hydroxyalkanalen |
TW201536734A (zh) | 2014-03-12 | 2015-10-01 | Basf Se | 甲酸鹽的分解 |
CN104258869B (zh) * | 2014-08-21 | 2016-05-18 | 万华化学集团股份有限公司 | 一种羟基特戊醛液相加氢制备新戊二醇的催化剂的制备方法 |
KR101757053B1 (ko) * | 2014-09-25 | 2017-07-12 | 주식회사 엘지화학 | 고효율의 네오펜틸 글리콜의 제조방법 및 이의 제조장치 |
KR101776404B1 (ko) * | 2014-10-14 | 2017-09-19 | 주식회사 엘지화학 | 네오펜틸 글리콜 제조장치 |
KR101752562B1 (ko) * | 2014-10-20 | 2017-06-29 | 주식회사 엘지화학 | 공정효율이 높은 네오펜틸 글리콜 제조장치 |
CN105727958A (zh) * | 2014-12-11 | 2016-07-06 | 中国石油化工股份有限公司 | 羟基新戊醛加氢制新戊二醇的催化剂及其制备方法 |
DE102015000810B4 (de) | 2015-01-23 | 2021-05-27 | Oq Chemicals Gmbh | Verfahren zur Herstellung von 3-Hydroxyalkanalen |
DE102015000809A1 (de) | 2015-01-23 | 2016-07-28 | Oxea Gmbh | Verfahren zur Herstellung von 3-Hydroxyalkanalen |
EP3277425A4 (en) * | 2015-03-31 | 2018-12-05 | BASF Corporation | Hydrogenation and ethynylation catalysts |
KR101952690B1 (ko) * | 2015-09-07 | 2019-02-27 | 주식회사 엘지화학 | 글리콜의 제조장치 및 제조방법 |
KR102052084B1 (ko) * | 2015-09-21 | 2019-12-04 | 주식회사 엘지화학 | 네오펜틸 글리콜의 제조방법 |
CN105541556B (zh) * | 2016-02-23 | 2017-10-24 | 青岛科技大学 | 一种新戊二醇和甲酸钠的分离方法 |
RU2612216C1 (ru) * | 2016-03-09 | 2017-03-03 | Общество с ограниченной ответственностью "НИАП-КАТАЛИЗАТОР" | Способ приготовления медьсодержащего катализатора для дегидрирования циклогексанола в циклогексанон |
US10245578B2 (en) * | 2016-11-09 | 2019-04-02 | Evonik Degussa Gmbh | Chromium- and nickel-free hydrogenation of hydroformylation mixtures |
KR101884928B1 (ko) | 2017-03-28 | 2018-08-30 | 금호석유화학 주식회사 | 금속산화물 촉매, 그 제조방법, 및 이를 이용한 알코올의 제조방법 |
JP2019001746A (ja) * | 2017-06-15 | 2019-01-10 | 株式会社クラレ | ジオールの製造方法 |
EP3891115A1 (en) * | 2018-12-03 | 2021-10-13 | Basf Se | Process for producing 1-(4-isobutylphenyl)ethanol by hydrogenation of 1-(4-isobutyl-phenyl)ethanone in the presence of a catalyst composition comprising copper |
EP3747855B1 (de) | 2019-06-04 | 2024-01-10 | OQ Chemicals GmbH | Verfahren zur kontinuierlichen herstellung von diolen aus aldehyden mittels raney-cobalt katalyse |
JP2022546362A (ja) | 2019-08-30 | 2022-11-04 | コベストロ、ドイチュラント、アクチエンゲゼルシャフト | 芳香族ニトロ化合物を水素化する方法 |
CN116332728A (zh) * | 2020-02-10 | 2023-06-27 | 广东欧凯新材料有限公司 | 一种制备公斤级新型联苯四酚的氧化偶联方法及其催化剂 |
EP3878831A1 (en) * | 2020-03-10 | 2021-09-15 | Basf Se | Improved nickel-copper-manganese-catalyst for the preparation of alcohols by hydrogenation of the corresponding aldehydes and ketones |
CN112452334A (zh) * | 2020-12-14 | 2021-03-09 | 中触媒新材料股份有限公司 | 一种用于丙酮加氢制备异丙醇的催化剂的制备方法及应用 |
EP4301512A1 (de) | 2021-03-01 | 2024-01-10 | Covestro Deutschland AG | Verfahren zur hydrierung von aromatischen nitroverbindungen |
CN112979416A (zh) * | 2021-03-09 | 2021-06-18 | 浙江建业化工股份有限公司 | 一种高选择性甲基异丁基醇的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2040913A (en) * | 1934-06-29 | 1936-05-19 | E I Du Pent De Nemours & Compa | Process for producing a tolyl carbinol |
GB570669A (en) * | 1942-08-05 | 1945-07-17 | Chem Ind Basel | Manufacture of alcohols |
US3803055A (en) * | 1968-01-17 | 1974-04-09 | Huels Chemische Werke Ag | Catalyst for preparing saturated alcohols |
US3886219A (en) * | 1969-01-14 | 1975-05-27 | Huels Chemische Werke Ag | Process for preparing saturated alcohols |
DE2538253C2 (de) * | 1975-08-28 | 1978-06-01 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur Herstellung von Kupfer-Trägerkatalysatoren |
EP0020048A1 (en) * | 1979-05-25 | 1980-12-10 | Imperial Chemical Industries Plc | Novel copper catalyst and process for making it |
DE3027890A1 (de) * | 1980-07-23 | 1982-03-04 | Basf Ag, 6700 Ludwigshafen | Hydrierkatalysatoren fuer die herstellung von propandiolen und verfahren zur herstellung von propandiolen mit solchen katalysatoren |
DE3933661A1 (de) * | 1989-10-09 | 1991-04-18 | Huels Chemische Werke Ag | Kupfer und chrom enthaltender traegerkatalysator zur hydrierung von acetophenon zu methylbenzylalkohol |
-
1995
- 1995-05-19 CN CN95193679A patent/CN1100029C/zh not_active Expired - Lifetime
- 1995-05-19 JP JP53005595A patent/JP3802056B2/ja not_active Expired - Lifetime
- 1995-05-19 EP EP95920071A patent/EP0759896B1/de not_active Expired - Lifetime
- 1995-05-19 CN CNB011224576A patent/CN1159275C/zh not_active Expired - Lifetime
- 1995-05-19 KR KR1019960706518A patent/KR100366752B1/ko not_active IP Right Cessation
- 1995-05-19 ES ES95920071T patent/ES2171539T3/es not_active Expired - Lifetime
- 1995-05-19 DE DE59510029T patent/DE59510029D1/de not_active Expired - Lifetime
- 1995-05-19 WO PCT/EP1995/001920 patent/WO1995032171A1/de active IP Right Grant
- 1995-05-19 US US08/737,736 patent/US6201160B1/en not_active Expired - Lifetime
- 1995-10-20 TW TW084104998A patent/TW330199B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0759896B1 (de) | 2002-01-30 |
WO1995032171A1 (de) | 1995-11-30 |
CN1100029C (zh) | 2003-01-29 |
TW330199B (en) | 1998-04-21 |
CN1155272A (zh) | 1997-07-23 |
KR100366752B1 (ko) | 2003-05-22 |
CN1328986A (zh) | 2002-01-02 |
DE59510029D1 (de) | 2002-03-14 |
EP0759896A1 (de) | 1997-03-05 |
JP3802056B2 (ja) | 2006-07-26 |
JPH10500422A (ja) | 1998-01-13 |
KR970703295A (ko) | 1997-07-03 |
US6201160B1 (en) | 2001-03-13 |
CN1159275C (zh) | 2004-07-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2171539T3 (es) | Procedimiento para la elaboracion de alcoholes. | |
ES2139797T3 (es) | Procedimiento para preparar aldehidos por hidrogenacion catalitica en fase gaseosa de acidos carboxilicos o sus derivados con la ayuda de un catalizador de estaño. | |
DE69317695T2 (de) | Flüssigkeitssystem für kontinuierlich arbeitende Tinten-Strahldrucker | |
ES509064A0 (es) | "procedimiento para la regeneracion de un catalizador multimetalico que contiene platino sobre soporte". | |
DE69425528D1 (de) | Druckermechanismus zur Druckspalteüberwachung | |
ES2185281T3 (es) | Procedimiento para la hidrogenacion selectiva de mezclas de hidroformilacion. | |
IT7824674A0 (it) | Procedimento di riciclaggio dei reagenti gassosi utilizzati per la rigenerazione di un catalizzatore di idroconversione di idrocarburi. | |
FR2592657B1 (fr) | Systeme catalytique a l'etain pour composition organopolysiloxane durcissable des la temperature ambiante. | |
IT1112081B (it) | Catalizzatore di clorurazione ad alta temperatura ad esempio per la clorurazione di idrocarburi | |
ES2139993T3 (es) | Procedimiento para la obtencion de alquenos mediante hidrogenacion parcial de alquinos en catalizadores de paladio en lecho fijo. | |
DE69108648T2 (de) | Katalysator zur Entfernung von gasförmigen Hydriden. | |
KR890701203A (ko) | 카보닐을 함유하는 화합물의 저압 촉매 수소화 및 이에 관한 촉매 | |
PT947493E (pt) | Processo destinado a hidrogenacao selectiva em fase liquida de compostos carbonilo alfa,beta-insaturados | |
BE871814A (fr) | Complexe binucleaire du rhodium en tant que catalyseur d'hydroformylation et d'hydrogenation | |
FR2623800B1 (fr) | Procede de preparation d'alcools insatures | |
ES488080A0 (es) | Procedimiento de obtencion de un catalizador para la hidro- genacion en fase liquida de acetofenona a fenilmetilcarbinol | |
ES2002534A6 (es) | Procedimiento para la obtencion de compuestos de ciclohexilo por hidrogenacion catalitica de compuestos de bencilo | |
FR2348381A1 (fr) | Ensemble de reservoir de liquide, notamment pour maitre-cylindre de dispositif de freinage | |
AU3351978A (en) | IC. Engine pressurized liquid cooling system | |
IT7868480A0 (it) | Sistema di freno azionato a pressione di fluido per motrici e rimorchi | |
IT8019951A0 (it) | Catalizzatore di cromito di rame esuo impiego nella preparazione di alcool furfurilico da furfurale mediante un procedimento discontinuo oppure mediante un procedimento in fase liquida. | |
IT1071610B (it) | Sistema di frenatura a pressione di fluido per trattrici con rimorchio | |
FR2694286B1 (fr) | Procédé de production d'alcool aromatique par hydrogénation sélective de cétone aromatique. | |
IT7824876A0 (it) | Dispositivo di filtrazione sottopressione di sostanze solide contenute in liquidi. | |
KR920012935U (ko) | 단열저압조를 이용한 급속냉각장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 759896 Country of ref document: ES |