IL75161A - Process for production of amines using a surface oxide-free carbon catalyst - Google Patents
Process for production of amines using a surface oxide-free carbon catalystInfo
- Publication number
- IL75161A IL75161A IL75161A IL7516185A IL75161A IL 75161 A IL75161 A IL 75161A IL 75161 A IL75161 A IL 75161A IL 7516185 A IL7516185 A IL 7516185A IL 75161 A IL75161 A IL 75161A
- Authority
- IL
- Israel
- Prior art keywords
- amines
- production
- carbon catalyst
- surface oxide
- free carbon
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
- 150000001412 amines Chemical class 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 title 1
- 239000003054 catalyst Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
- C07F9/3813—N-Phosphonomethylglycine; Salts or complexes thereof
-
- 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
- B01J21/18—Carbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
- C07F9/3817—Acids containing the structure (RX)2P(=X)-alk-N...P (X = O, S, Se)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60883184A | 1984-05-10 | 1984-05-10 | |
US06/705,391 US4624937A (en) | 1984-05-10 | 1985-02-28 | Process for removing surface oxides from activated carbon catalyst |
Publications (2)
Publication Number | Publication Date |
---|---|
IL75161A0 IL75161A0 (en) | 1985-09-29 |
IL75161A true IL75161A (en) | 1988-10-31 |
Family
ID=27085877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL75161A IL75161A (en) | 1984-05-10 | 1985-05-10 | Process for production of amines using a surface oxide-free carbon catalyst |
Country Status (11)
Country | Link |
---|---|
US (1) | US4624937A (es) |
EP (1) | EP0162035B1 (es) |
KR (2) | KR870001854B1 (es) |
AU (1) | AU569794B2 (es) |
BR (1) | BR8502200A (es) |
CA (1) | CA1244398A (es) |
DE (1) | DE3574827D1 (es) |
ES (1) | ES8703403A1 (es) |
HU (1) | HU205028B (es) |
IL (1) | IL75161A (es) |
MX (2) | MX165168B (es) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6114273A (en) * | 1993-01-21 | 2000-09-05 | Calgon Carbon Corporation | Method for sox removal by catalytic carbon |
US5338458A (en) * | 1993-01-21 | 1994-08-16 | Calgon Carbon Corporation | Method for removing chloramine with catalytic carbon |
US5444031A (en) * | 1993-01-21 | 1995-08-22 | Calgon Carbon Corporation | Process for making catalytic carbon |
JP2667059B2 (ja) * | 1993-01-21 | 1997-10-22 | カルゴン カーボン コーポレーション | 触媒炭素によるNO▲下x▼除去法 |
US5352370A (en) * | 1993-01-21 | 1994-10-04 | Calgon Carbon Corporation | Method for SOx removal by catalytic carbon |
US5356849A (en) * | 1993-01-21 | 1994-10-18 | Calgon Carbon Corporation | Catalytic carbon |
TW322481B (es) * | 1995-03-07 | 1997-12-11 | Sankyo Co | |
US5948938A (en) * | 1995-03-07 | 1999-09-07 | Sankyo Company, Limited | Process for preparing N-phosphonomethylglycine |
US5637232A (en) * | 1996-03-11 | 1997-06-10 | Calgon Carbon Corporation | Process for the catalytic oxidation of ferrous iron in liquid media |
CN1239473A (zh) * | 1997-02-13 | 1999-12-22 | 孟山都公司 | 制备氨基羧酸的方法 |
US6054608A (en) * | 1997-05-05 | 2000-04-25 | Monsanto Company | Method for preparing formylphosphonic acid |
US5959126A (en) * | 1997-10-29 | 1999-09-28 | Flexsys America L. P. | Formation of quinonedimines from phenylenediamines by catalytic oxidation |
US6114554A (en) * | 1997-10-29 | 2000-09-05 | Flexsys America L.P. | Preparation of quinonediimines from phenylenediamines using a hypochlorite as an oxidation agent |
US6187937B1 (en) | 1998-01-16 | 2001-02-13 | Flexsys America L.P. | Preparation of N-phenyl-benzoquinoneimine from hydroxydiphenylamines |
US6232494B1 (en) | 1998-02-12 | 2001-05-15 | Monsanto Company | Process for the preparation of N-(phosphonomethyl)glycine by oxidizing N-substituted N-(phosphonomethyl)glycine |
US6417133B1 (en) | 1998-02-25 | 2002-07-09 | Monsanto Technology Llc | Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions |
US5942643A (en) * | 1998-05-14 | 1999-08-24 | Calgon Carbon Corporation | Method for the manufacture of N-phosphonomethylglycine from N-phosphonomethyliminodiacetic acid using a low temperature catalytic carbon |
EP1104428A1 (en) * | 1998-08-12 | 2001-06-06 | Monsanto Company | Continuous process for the preparation of n-(phosphonomethyl) iminodiacetic acid |
US6194604B1 (en) | 1998-12-10 | 2001-02-27 | Monsanto Company | Process for producing phosphorous acid |
CN1159323C (zh) | 1999-07-23 | 2004-07-28 | 巴斯福股份公司 | 草甘膦或其盐的制备方法 |
WO2001046208A2 (en) | 1999-12-21 | 2001-06-28 | Monsanto Technology Llc | Use of a supplemental promoter in conjunction with a carbon-supported, noble-metal-containing catalyst in liquid phase oxidation reactions |
US6274760B1 (en) | 2000-03-14 | 2001-08-14 | Monsanto Co. | Preparation of formylphosphonic acid from tertiary aminomethylphosphonic acid N-oxides |
US6376708B1 (en) * | 2000-04-11 | 2002-04-23 | Monsanto Technology Llc | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts |
WO2001087827A1 (en) | 2000-05-15 | 2001-11-22 | Monsanto Technology Llc | Preparation of iminodiacetic acid compounds from monoethanolamine substrates |
US6927304B2 (en) | 2000-05-22 | 2005-08-09 | Monsanto Technology Llc | De-oxygenation treatment for noble metal on carbon catalysts used in liquid phase oxidation reactions |
DK1283841T3 (da) * | 2000-05-22 | 2006-04-10 | Monsanto Technology Llc | Reaktionssystem til fremstilling af N-(phosphonomethyl)glycinforbindelser |
DE10028654A1 (de) | 2000-06-09 | 2001-12-20 | Sandler Helmut Helsa Werke | Herstellung von Aktivkohle mit erhöhter katalytischer Aktivität |
US6441223B1 (en) | 2000-11-30 | 2002-08-27 | Monsanto Technology Llc | Method of making phosphorus-containing compounds and products thereof |
US7119047B1 (en) * | 2001-02-26 | 2006-10-10 | C And T Company, Inc. | Modified activated carbon for capacitor electrodes and method of fabrication thereof |
DE10120484A1 (de) * | 2001-04-25 | 2002-10-31 | Degussa | Verfahren und Vorrichtung zur thermischen Behandlung von pulverförmigen Stoffen |
US6818450B2 (en) | 2001-05-22 | 2004-11-16 | Monsanto Technology Llc | Use of infrared spectroscopy for on-line process control and endpoint detection |
JP4342123B2 (ja) * | 2001-06-06 | 2009-10-14 | アドバンスト・キャパシタ・テクノロジーズ株式会社 | 残存活性酸化水素の除去方法 |
AU2002362929B2 (en) | 2001-10-18 | 2007-08-09 | Monsanto Technology Llc | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts |
US7390920B2 (en) * | 2002-02-14 | 2008-06-24 | Monsanto Technology Llc | Oxidation catalyst and process |
WO2003068387A1 (en) * | 2002-02-14 | 2003-08-21 | Monsanto Technology Llc | Oxidation catalyst and process for its preparation and process for oxidation using it |
US6706194B2 (en) * | 2002-05-08 | 2004-03-16 | Meadwestvaco Corporation | Method for removal of chloramines from drinking water |
US20040124152A1 (en) * | 2002-05-08 | 2004-07-01 | Meadwestvaco Corporation | Catalytic activated carbon for removal of chloramines from water |
US6699393B2 (en) * | 2002-05-08 | 2004-03-02 | Meadwestvaco Corporation | Method for removal of chloramines from drinking water |
US6921834B2 (en) | 2002-05-22 | 2005-07-26 | Dow Agrosciences Llc | Continuous process for preparing N-phosphonomethyl glycine |
JP4202047B2 (ja) * | 2002-05-24 | 2008-12-24 | 富士通株式会社 | ヘッド位置制御方法及びデイスク記憶装置 |
CN1674986A (zh) * | 2002-06-28 | 2005-09-28 | 孟山都技术公司 | 碲在液相氧化反应用碳担载的含贵金属催化剂中的应用 |
WO2005016519A1 (en) | 2003-08-14 | 2005-02-24 | Monsanto Technology Llc | Transition metal-carbide and nitride containing catalysts , their preparation and use as oxidation and dehydrogenation catalysts |
TW200524949A (en) * | 2003-09-17 | 2005-08-01 | Monsanto Technology Llc | Process for recovering a crystalline product from solution |
WO2006031938A2 (en) * | 2004-09-15 | 2006-03-23 | Monsanto Technology Llc | Oxidation catalyst and its use for catalyzing liquid phase oxidation reactions |
AR054096A1 (es) | 2004-11-12 | 2007-06-06 | Monsanto Technology Llc | Recuperacion de metales nobles de corrientes de proceso acuosas y proceso de preparacion de n-(fosfonometil)-glicina |
US20060157419A1 (en) * | 2005-01-14 | 2006-07-20 | Clemson University | Activated carbon exhibiting enhanced removal of dissolved natural organic matter from water |
US8198479B2 (en) * | 2005-02-17 | 2012-06-12 | Monsanto Technology Llc | Transition metal-containing catalysts and catalyst combinations including transition metal-containing catalysts and processes for their preparation and use as oxidation catalysts |
CN102792969B (zh) * | 2005-03-04 | 2015-01-21 | 孟山都技术公司 | 减轻用除草剂草甘膦制剂处理的草甘膦耐受性转基因棉花植物内的坏死 |
BRPI0607713A2 (pt) * | 2005-04-01 | 2009-09-22 | Monsanto Technology Llc | métodos para monitorar ou detectar a conversão do ácido n-(fosfonometil) iminodiacético para n-(fosfonometil)glicina ou outro intermediário para n-(fosfonometil)glicina no curso da oxidação catalìtica de ácido n-(fosfonometil)iminodiacético em um meio aquoso |
CA2642226A1 (en) * | 2006-02-17 | 2007-08-30 | Monsanto Technology Llc | Transition metal-containing catalysts and processes for their preparation and use as fuel cell catalysts |
KR101350445B1 (ko) * | 2006-12-26 | 2014-01-15 | 재단법인 포항산업과학연구원 | 탄소 재료의 후처리 방법 및 그에 의해 제조되는 커패시터전극용 탄소 재료 |
US7771494B2 (en) * | 2007-01-31 | 2010-08-10 | Monsanto Technology Llc | Process for selective removal of water and impurities from N-(phosphonomethyl)glycine |
US8252953B2 (en) | 2008-05-01 | 2012-08-28 | Monsanto Technology Llc | Metal utilization in supported, metal-containing catalysts |
JP2011521775A (ja) * | 2008-05-14 | 2011-07-28 | スリーエム イノベイティブ プロパティズ カンパニー | ろ過材、及びそれを含む水ろ過システム |
US8669396B2 (en) | 2009-05-18 | 2014-03-11 | Monsanto Technology Llc | Recovery of phosphorus values and salt impurities from aqueous waste streams |
CN102822093B (zh) | 2010-03-31 | 2015-02-25 | 可乐丽化学株式会社 | 活性炭及其用途 |
US9403695B2 (en) | 2011-09-12 | 2016-08-02 | 3M Innovative Properties Company | Filtration medium comprising a carbon oxychalcogenide |
WO2013096079A1 (en) * | 2011-12-22 | 2013-06-27 | 3M Innovative Properties Company | Filtration medium comprising a metal-containing particulate |
US10519046B2 (en) * | 2012-03-30 | 2019-12-31 | Selecto, Inc. | High flow-through gravity purification system for water |
RU2674022C9 (ru) | 2012-07-17 | 2019-01-24 | МОНСАНТО ТЕКНОЛОДЖИ ЭлЭлСи | Способ синтеза альфа-аминоалкиленфосфоновой кислоты |
WO2014012991A1 (en) | 2012-07-17 | 2014-01-23 | Straitmark Holding Ag | Method for the synthesis of n-(phosphonomethyl)glycine |
BR112015000990B1 (pt) | 2012-07-17 | 2020-04-28 | Monsanto Technology Llc | Método para a síntese de um ácido aminoalquilenofosfônico ouseus ésteres fosfatos |
RU2015103314A (ru) | 2012-07-17 | 2016-09-10 | Страйтмарк Холдинг Аг | Способ синтеза N-фосфонометилиминодиуксусной кислоты |
CN104812763B (zh) | 2012-07-17 | 2016-11-23 | 斯特雷特马克控股股份公司 | 用于合成n-(膦酰基甲基)甘氨酸的方法 |
US10155673B2 (en) | 2013-03-12 | 2018-12-18 | 3M Innovative Properties Company | Removal of chloramine and mercury from aqueous solutions |
CN105683090A (zh) * | 2013-09-13 | 2016-06-15 | 米德韦斯特瓦科公司 | 催化活性碳结构体及使用和制造方法 |
CN104129777B (zh) * | 2014-08-26 | 2016-03-30 | 武汉科技大学 | 一种多功能化生物炭及其制备方法 |
CN104307855B (zh) * | 2014-09-30 | 2016-09-14 | 武汉科技大学 | 采用多功能化生物炭原位修复重金属污染土壤的方法 |
KR101896319B1 (ko) * | 2016-02-25 | 2018-10-04 | 현대자동차 주식회사 | 활성탄소 및 이의 제조방법 |
CN110312564B (zh) | 2017-02-13 | 2021-11-16 | 卡尔冈碳素公司 | 氯胺和氯去除材料及其制备方法 |
BR112019027682A2 (pt) | 2017-06-26 | 2020-09-15 | Monsanto Technology Llc | controle de fósforo para fluxos de resíduos provenientes de processos de produção de glifosato |
US10953386B2 (en) | 2017-12-29 | 2021-03-23 | Mannon Water (Singapore) PTE. LTD. | Filtration media for removing chloramine, chlorine, and ammonia, and method of making the same |
US11911743B2 (en) | 2019-04-03 | 2024-02-27 | Calgon Carbon Corporation | Perfluoroalkyl and polyfluoroalkyl sorbent materials and methods of use |
TW202218983A (zh) | 2020-08-31 | 2022-05-16 | 美商卡爾岡碳公司 | 經銅與氮處理之吸附劑及其製法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1810871A (en) * | 1928-09-17 | 1931-06-16 | Darco Corp | Activation of carbon |
US3243387A (en) * | 1963-04-25 | 1966-03-29 | Leuna Werke Veb | Palladium-silver-iron oxide on alphaalumina catalyst composition for the selective hydrogenation of acetylene |
US3306761A (en) * | 1963-04-26 | 1967-02-28 | Phillips Petroleum Co | Controlled partial oxidation of carbon black with ammonium nitrate, preferably in the presence of ammonium, alkali metal, and alkaline earth metal halides |
US3243383A (en) * | 1963-11-07 | 1966-03-29 | Monsanto Co | Process for regenerating catalysts |
US3497564A (en) * | 1967-08-28 | 1970-02-24 | Dow Chemical Co | Oxidative dehydrogenation of alkylbenzenes |
JPS5111037B2 (es) * | 1973-04-26 | 1976-04-08 | ||
US3969398A (en) * | 1974-05-01 | 1976-07-13 | Monsanto Company | Process for producing N-phosphonomethyl glycine |
US4055628A (en) * | 1974-09-02 | 1977-10-25 | The British Petroleum Company Limited | Method for preparing graphite containing carbon |
US4139416A (en) * | 1975-01-21 | 1979-02-13 | Centro Sperimentale Metallurgico S.P.A. | Carbonaceous material with high characteristics of surface area and activity and process for producing the same |
JPS589763B2 (ja) * | 1975-12-15 | 1983-02-22 | 武田薬品工業株式会社 | チユウワサレタ スイジヨウキフカツリユウジヨウカツセイタン ノ セイゾウホウ |
SU567666A1 (ru) * | 1975-12-29 | 1977-08-05 | Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета | Способ получени катионита на основе активного угл |
US4264776A (en) * | 1976-01-02 | 1981-04-28 | Monsanto Company | Production of secondary amines |
US4072706A (en) * | 1976-01-02 | 1978-02-07 | Monsanto Company | Oxidation of phosphonomethylamines |
US4075157A (en) * | 1976-04-30 | 1978-02-21 | Phillips Petroleum Company | Production of non-carcinogenic carbon black |
JPS5813490B2 (ja) * | 1976-06-30 | 1983-03-14 | 荏原インフイルコ株式会社 | 活性炭の再生方法 |
US4158643A (en) * | 1976-07-15 | 1979-06-19 | Calgon Corporation | Catalytic carbon for oxidation of carbon monoxide in the presence of sulfur dioxide |
US4083801A (en) * | 1976-12-20 | 1978-04-11 | Aluminum Company Of America | High purity activated carbon produced by calcining acid leached coal containing residual leaching solution |
JPS5617634A (en) * | 1979-07-21 | 1981-02-19 | Fuji Electric Co Ltd | Activating treatment of carbon material for so3/so2 conversion |
-
1985
- 1985-02-28 US US06/705,391 patent/US4624937A/en not_active Expired - Lifetime
- 1985-05-08 ES ES542920A patent/ES8703403A1/es not_active Expired
- 1985-05-09 CA CA000481143A patent/CA1244398A/en not_active Expired
- 1985-05-09 BR BR8502200A patent/BR8502200A/pt not_active IP Right Cessation
- 1985-05-09 AU AU42212/85A patent/AU569794B2/en not_active Ceased
- 1985-05-09 KR KR1019850003163A patent/KR870001854B1/ko not_active IP Right Cessation
- 1985-05-09 MX MX205257A patent/MX165168B/es unknown
- 1985-05-10 DE DE8585870066T patent/DE3574827D1/de not_active Expired - Fee Related
- 1985-05-10 HU HU851779A patent/HU205028B/hu not_active IP Right Cessation
- 1985-05-10 IL IL75161A patent/IL75161A/xx not_active IP Right Cessation
- 1985-05-10 EP EP85870066A patent/EP0162035B1/en not_active Expired
-
1987
- 1987-05-04 KR KR1019870004385A patent/KR890001298B1/ko not_active IP Right Cessation
-
1991
- 1991-12-23 MX MX9102781A patent/MX9102781A/es unknown
Also Published As
Publication number | Publication date |
---|---|
KR880014858A (ko) | 1988-12-24 |
MX9102781A (es) | 1994-05-31 |
EP0162035B1 (en) | 1989-12-20 |
US4624937A (en) | 1986-11-25 |
HUT39627A (en) | 1986-10-29 |
KR870001854B1 (ko) | 1987-10-17 |
EP0162035A2 (en) | 1985-11-21 |
IL75161A0 (en) | 1985-09-29 |
HU205028B (en) | 1992-03-30 |
EP0162035A3 (en) | 1987-04-15 |
ES8703403A1 (es) | 1987-02-16 |
KR890001298B1 (ko) | 1989-04-29 |
ES542920A0 (es) | 1987-02-16 |
CA1244398A (en) | 1988-11-08 |
KR850008661A (ko) | 1985-12-21 |
MX165168B (es) | 1992-10-29 |
DE3574827D1 (de) | 1990-01-25 |
BR8502200A (pt) | 1986-01-14 |
AU4221285A (en) | 1985-11-14 |
AU569794B2 (en) | 1988-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL75161A (en) | Process for production of amines using a surface oxide-free carbon catalyst | |
GB2213414B (en) | A process for the brazing of diamond to a substrate | |
PH22007A (en) | A new process for the synthesis of pyridoimidazorifaycins | |
GB2186876B (en) | Process for producing n-substituted formamides | |
DE3573066D1 (en) | Process for preparing a solution of inverted micellae | |
HUT37742A (en) | Process for production of aril-hydroxamates | |
HK49991A (en) | Photochemical process for substrate surface preparation | |
DE3569084D1 (en) | Process for regenerating a catalyst | |
ZA857580B (en) | Catalytic process for hydroconversion of carbonaceous materials | |
YU45290B (en) | Process for production of cheramic dust | |
YU156985A (en) | Process for producing ammonia | |
EP0167872A3 (en) | Process for the production of amines | |
YU43587B (en) | Process for continouos production of elongated carbon elements | |
SG92290G (en) | A process for preparing a silver-on-carrier catalyst | |
HUT38540A (en) | Process for production of improved anti-inflammatic preparatives | |
GB2155751B (en) | Process for preparing tofu | |
EP0273562A3 (en) | A method for the production of a carbon electrode | |
DE3572314D1 (en) | Recovery process for the regeneration of a fluoridization catalyst | |
DE3563208D1 (en) | A process for producing n-substituted maleimides | |
DE3560348D1 (en) | Process for the presulfurisation of a hydrocarbon treatment catalyst | |
ZA865949B (en) | A process for producing catalyst mouldings | |
PT81198A (en) | A new process for the synthesis of pyrido-imidazo-rifamycins | |
ZA854426B (en) | Process for producing a high concentration coal-water slurry | |
HUT39473A (en) | Process for preparing a new alpha-glucosidase inhibitor | |
ZA882139B (en) | A process for the production of polyamines |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
HP | Change in proprietorship | ||
RH1 | Patent not in force |