US3862911A - Catalyst based on raney nickel containing iron - Google Patents
Catalyst based on raney nickel containing iron Download PDFInfo
- Publication number
- US3862911A US3862911A US314434A US31443472A US3862911A US 3862911 A US3862911 A US 3862911A US 314434 A US314434 A US 314434A US 31443472 A US31443472 A US 31443472A US 3862911 A US3862911 A US 3862911A
- Authority
- US
- United States
- Prior art keywords
- weight
- nickel
- catalyst
- iron
- alloy
- 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
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003054 catalyst Substances 0.000 title claims abstract description 61
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 36
- 239000007868 Raney catalyst Substances 0.000 title description 8
- 229910000564 Raney nickel Inorganic materials 0.000 title description 5
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 title description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical class [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000011651 chromium Substances 0.000 claims abstract description 36
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- 239000004411 aluminium Substances 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 229910045601 alloy Inorganic materials 0.000 claims description 33
- 239000000956 alloy Substances 0.000 claims description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 23
- 238000005984 hydrogenation reaction Methods 0.000 abstract description 22
- 150000002825 nitriles Chemical class 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 150000001412 amines Chemical class 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 16
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 239000003513 alkali Substances 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- NSMYBPIHVACKQG-UHFFFAOYSA-N 2-aminocyclopentene-1-carbonitrile Chemical compound NC1=C(C#N)CCC1 NSMYBPIHVACKQG-UHFFFAOYSA-N 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- LAQPNDIUHRHNCV-UHFFFAOYSA-N isophthalonitrile Chemical compound N#CC1=CC=CC(C#N)=C1 LAQPNDIUHRHNCV-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- NVCOVOPUIYCNSW-UHFFFAOYSA-N 1-n-methylcyclopentane-1,2-diamine Chemical compound CNC1CCCC1N NVCOVOPUIYCNSW-UHFFFAOYSA-N 0.000 description 1
- SRGQQZYVZFJYHJ-UHFFFAOYSA-N 2-(aminomethyl)cyclopentan-1-amine Chemical compound NCC1CCCC1N SRGQQZYVZFJYHJ-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- -1 B 9 hydrogen Chemical class 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- ATTFYOXEMHAYAX-UHFFFAOYSA-N magnesium nickel Chemical compound [Mg].[Ni] ATTFYOXEMHAYAX-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
-
- 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
- B01J25/00—Catalysts of the Raney type
- B01J25/02—Raney nickel
Definitions
- the present invention relates to a hydrogenation'catalyst based on a Raney nickel which also contains iron and chromium. This catalyst is particularly valuable for hydrogenating unsaturated groups.
- the Raney catalysts containing chromium contain small amounts of iron, they nevertheless possess disadvantages in certain applications.
- the speed of hydrogenation is relatively slow.
- the termination period is long (the termination period is the time interval which separates the end of injection of the nitrile and the end of absorption of hydrogen).
- Raney catalysts containing chromium did not prevent the formation of a relatively large amount of by-products.
- the present invention provides new hydrogenation catalysts based on Raney nickel, which substantially avoid the above mentioned disadvantages.
- the catalysts of the present invention are those prepared by treating an alloy powder with an alkali, the composition of the alloy being, by weight, limits:
- the residue being aluminium.
- the alloy will also contain conventional impurities and other incidental ingredients.
- Alloys in the powder form can be obtained by crushing and grinding alloy ingots, the latter being prepared by the usual metallurgical techniques, forcxample, by adding nickel, iron and chromium to molten aluminium, preferably heated to between 900 and l,O0OC.
- Iron and chromium can be introduced either in the form of pure metals or in the form of their alloys with aluminium. It is possible to use nickel which is obtained either by conventional smelting of nickel from garnierit (nickel magnesium silicate dihydrate) or from nickelbearing pyrites, or by decomposition of nickel carbonyl.
- alloy is ground and passed through a sieve before being treated with the alkali.
- the sieved alloy is in the form oifa powder, the particle size of which is normally less than 500 microns.
- a powder of particle size less than 50 microns is preferably used.
- the process conditions for treating the powder can be very diverse, it being possible to carry out this treatment using an inorganic or organic base.
- the treatment is usually carried out at a temperature of 40 l 10C. It is possible to add the alloy powder to the basic solution, or to pour the basic solution onto the alloy or to pour an aqueous suspension of the alloy into the base. When the alloy and base'have been mixed, the reaction is continued until hydrogen ceases to be evolved, this occurs usually within 3 hours.
- the resulting catalyst is washed with water, by a continuous or discontinuous method, which optionally may take place under a slight pressure: of hydrogen.
- the product may optionally be washed with an alcoholic solution, the alcohol usually being ethanol.
- the resulting catalyst is pyrophoric, and it is necessary to store it out of contact with air, for example under water, or a liquid alcohol or hydrocarbon.
- the finished catalysts after treatment with base will normally contain nickel, aluminium, chromium and iron in the following proportions:
- the catalysts of the invention can be used for hydrogenating various hydrogenisable organic substances, but they are particularly recommended for hydrogenating mono-functional or poly-functional unsaturated groups of the olefinic type or of the nitrile type. It was found, particularly with regard to the reaction for bydrogenating dinitriles, that the speed of hydrogenation was more rapid and that the termination periods were decreased. Furthermore, the formation of by-products takes place to a lesser extent and the catalysts can be re-cycled more times because of their better resistance to fatigue. These advantages are particularly marked for the hydrogenation of adiponitrile, wherein, in addition, a diamine is obtained which contains fewer unsaturated impurities than those prepared using previous catalysts.
- the polyamide fibres derived The hydrogenation can be carried out optionally in the presence of a solvent such as a lower alkanol e g. containing up to 4 carbon atoms. It is also possible to activate the Raney catalysts using small proportions of an alkaline agent introduced. for example. in the form of an aqueous solution.
- EXAMPLE 1 A Preparation of the catalyst 448g of aluminium are melted in a graphite crucible and 31g of iron powder, 7g of chromium powder and 214g of compressed nickel (a trade name for billets of cylindrical shape, diameter 30 mm, height mm; these billets are broken up into pieces before use) are added to the aluminium which is heated to 950C. The mixture is stirred with a graphite rod and it is found that the temperature rises to 1,500C. The cooled alloy is removed from the mould, cut up into shavings, finely ground and passed through a sieve and 180g of a powder, the particle size of which is less than 50 microns, are collected. The additional amount to make up 700g represents the portion which is greater than 50 microns and the grinding losses.
- This powder has the following composition:
- iron 3% aluminium 56g of this powder is then treated with alkali by introducing the powder in small portions into 326 cm of a by weight aqueous solution of sodium hydroxide.
- the temperature is kept at 75C.
- the termination period is 8 minutes.
- a catalyst was prepared from a Raney alloy containing chromium and iron. with a small content of iron, in the following way:
- the additional amount to make up 1,504g consists of the portion greater than 50 microns and grinding losses.
- the alkali treatment is carried out by adding 38.6g of alloy of particle size between 0 and 50 microns to 306 cm" of an aqueous solution containing 27.7% by weight sodium hydroxide. After the end of the addition of the alloy, the treatment with alkali is continued for 55 minutes and then, after cooling, the catalyst is washed, by shaking followed by decanting, with:
- the resulting catalyst contains 18.7g Ni, 0.38g Cr, 0.23g Fe and 1.9g Al, that is to say Cr/Ni 2%, Fe/Ni 1.2% and Al/Ni 10% by weight.
- Example 2 Catalysts were prepared according to the method described in Example 1 part A from alloys, the composition of which is given in the following table. The hydrogenation of adiponitrile to hexamethylenediamine is carried out in the same way as that described in Example 1 part B. The termination periods are also given in the table. It should be noted that they are less than those obtained with a catalyst which does not contain iron.
- the treatment and the washing are analogous to Fe/Ni 8% by weight and 7 2 g. A! giving Al/Ni those described in Examples 1 partA and 2.
- the result- 9 ing catalyst contains 37.5 g. of nickel, the proportions fh d of the various metals being as follows: Al/Ni 13.8%; This catalyst 15 used to carry out a series 0 y roge- Fe/Ni 7% and Cr/Ni 12% nations by the method described in Example 1 part B.
- a catalyst was used 7 which contains a small content of iron and was prepared from the alloy powder described in Example I. the composition of which is as follows:
- the treatment with alkali is carried out by adding 77.2 g. of this alloy of particle size less than 50 microns to 712 cm of an aqueous solution containing 27.7% by weight sodium hydroxide.
- a catalyst consisting of 37.5 g. of nickel, aluminium, iron and chromium in the following proportions: Al/Ni 10.571; Cr/Ni 2% and Fe/Ni 1.2%, is obtained after the end of treatment, washing and decanting, as described in the previous Examples.
- This catalyst is used to hydrogenate adiponitrile by the procedure described in part A of this Example.
- the termination period is 9.5 minutes.
- the proportion of residue is 5.6%.
- EXAMPLE A Preparation of the catalyst 462 g. of aluminium are melted in a graphite crucible and 21 g. of iron powder, 3.5 g. of chromium powder and 214 g. of compressed nickel are added to the aluminium which has been heated to 900C. The mixture is stirred with a graphite rod and it is found that the temperature rises to l,500C. The cooled alloy is removed from the mould, cut up into shavings, finely ground and the fraction passing through a 50 microns sieve collected. The additional amount to make up 700 g. represents the portion greater than 50 microns and the grinding losses.
- This powder has the following composition:
- the duration of hydrogenation is 140 minutes.
- Example 4 part B When the catalyst containing chromium and a small amount of'iron as described in Example 4 part B is used, the duration of hydrogenation is 44v minutes, the yield of the diamine is 62% and the proportion of residue is 30%.
- the residual alloy contains:
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7144626A FR2164959A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-13 | 1971-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3862911A true US3862911A (en) | 1975-01-28 |
Family
ID=9087342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US314434A Expired - Lifetime US3862911A (en) | 1971-12-13 | 1972-12-12 | Catalyst based on raney nickel containing iron |
Country Status (14)
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997478A (en) * | 1974-10-07 | 1976-12-14 | Budapesti Muszki Egyetem | Promted Raney-nickel catalysts |
US4800139A (en) * | 1984-12-27 | 1989-01-24 | Muroran Institute Of Technology | Method of producing hydrogen electrode and use thereof in fuel cells |
WO1995018090A1 (fr) * | 1993-12-28 | 1995-07-06 | Rhone-Poulenc Chimie | Procede d'hydrogenation catalytique de nitriles en amines en presence d'un catalyseur de type nickel de raney dope |
US5464699A (en) * | 1988-04-18 | 1995-11-07 | Alloy Surfaces Co. Inc. | Pyrophoric materials and methods for making the same |
EP0807464A1 (en) * | 1996-04-15 | 1997-11-19 | Dairen Chemical Corporation | A modified raney nickel catalyst and a process for preparing diols by using the same |
US5886189A (en) * | 1990-01-31 | 1999-03-23 | Eastman Kodak Company | Manufacture of aromatic amines |
US6147247A (en) * | 1996-09-10 | 2000-11-14 | Basf Aktiengesellschaft | Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine |
US6147208A (en) * | 1995-12-22 | 2000-11-14 | Basf Aktiengesellschaft | Process for simultaneously preparing caprolactam and hexamethylene diamine |
US6265451B1 (en) * | 1999-09-21 | 2001-07-24 | Hydrocarbon Technologies, Inc. | Skeletal iron catalyst and its preparation for Fischer-Tropsch synthesis processes |
US6277895B1 (en) * | 1999-09-21 | 2001-08-21 | Hydrocarbon Technologies, Inc. | Skeletal iron catalyst having improved attrition resistance and product selectivity in slurry-phase synthesis processes |
US6368996B1 (en) * | 1999-04-29 | 2002-04-09 | China Petroleum Corporation | Hydrogenation catalyst and its preparation |
US20030120116A1 (en) * | 1999-07-08 | 2003-06-26 | Daniel Ostgard | Fixed-bed Raney-type catalysts |
KR100420453B1 (ko) * | 1998-11-05 | 2004-03-02 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 라니 철 촉매 및 이 촉매를 사용한 유기 화합물의 수소화방법 |
US20040249214A1 (en) * | 2003-06-05 | 2004-12-09 | Amey Ronald L. | Low pressure process for the manufacture of 2-(aminomethyl)-1-cyclopentylamine |
US20050065024A1 (en) * | 2003-09-23 | 2005-03-24 | Haiyou Wang | Catalyst for the generation of CO-free hydrogen from methane |
US20050063900A1 (en) * | 2003-09-23 | 2005-03-24 | Haiyou Wang | CO-free hydrogen from decomposition of methane |
WO2006089931A1 (de) * | 2005-02-24 | 2006-08-31 | Basf Aktiengesellschaft | Verfahren zur herstellung eines xylylendiamins |
US20080015267A1 (en) * | 2006-07-14 | 2008-01-17 | Headwaters Nanokinetix, Inc. | Fischer-tropsch catalysts incorporating promoter for increasing yields of c5+ hydrocarbons and methods for making and using same |
US20080214871A1 (en) * | 2005-01-24 | 2008-09-04 | Basf Aktiengesellschaft | Method For Producing A Xylylene Diamine |
WO2008107236A1 (de) * | 2007-03-07 | 2008-09-12 | Evonik Degussa Gmbh | Verfahren zur herstellung von trimethylhexamethylendiamin |
WO2008107226A1 (de) * | 2007-03-07 | 2008-09-12 | Evonik Degussa Gmbh | Verfahren zur herstellung von 3-aminomethyl-3,5,5-trimethylcyclohexylamin |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU176794B (en) * | 1978-06-03 | 1981-05-28 | Chinoin Gyogyszer Es Vegyeszet | Process for producing alloy of aluminium of high reducing activity,containing discontinual heterodisperz alloy on the surface |
US4607104A (en) * | 1985-07-11 | 1986-08-19 | Uniroyal Chemical Company, Inc. | Process for the production of 2,2,6,6-tetraalkyl-4-piperidylamines |
JP2009106923A (ja) * | 2007-10-29 | 2009-05-21 | Emmellen Biotech Pharmaceuticals Ltd | 接触水素化方法及びそのための新規触媒 |
FR2944789B1 (fr) * | 2009-04-22 | 2011-05-20 | Rhodia Operations | Procede de preparation d'un terpenylcyclohexanol |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2502348A (en) * | 1944-11-20 | 1950-03-28 | Rhone Poulenc Sa | Catalysts |
US3235513A (en) * | 1961-02-07 | 1966-02-15 | Varta Ag | Process for activating raney alloys and solution useful for such process |
US3544485A (en) * | 1967-10-16 | 1970-12-01 | Toray Industries | Method of activating catalytic alloys |
US3682709A (en) * | 1967-12-04 | 1972-08-08 | Allis Chalmers Mfg Co | Process for improving nickel base,nonnoble metal fuel cell catalysts |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR913997A (fr) * | 1944-11-20 | 1946-09-25 | Rhone Poulenc Sa | Nouveaux catalyseurs |
-
0
- BE BE792649D patent/BE792649A/xx unknown
-
1971
- 1971-12-13 FR FR7144626A patent/FR2164959A5/fr not_active Expired
-
1972
- 1972-11-27 SU SU1851082A patent/SU450387A3/ru active
- 1972-12-05 NL NL7216479A patent/NL7216479A/xx not_active Application Discontinuation
- 1972-12-08 DD DD167406A patent/DD101566A5/xx unknown
- 1972-12-11 JP JP47123506A patent/JPS4866087A/ja active Pending
- 1972-12-12 GB GB5733472A patent/GB1397576A/en not_active Expired
- 1972-12-12 CA CA158,907A patent/CA992103A/fr not_active Expired
- 1972-12-12 LU LU66633A patent/LU66633A1/xx unknown
- 1972-12-12 BR BR8752/72A patent/BR7208752D0/pt unknown
- 1972-12-12 CH CH1808072A patent/CH564372A5/xx not_active IP Right Cessation
- 1972-12-12 US US314434A patent/US3862911A/en not_active Expired - Lifetime
- 1972-12-13 DE DE2260978A patent/DE2260978A1/de active Pending
- 1972-12-13 IT IT32852/72A patent/IT971820B/it active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2502348A (en) * | 1944-11-20 | 1950-03-28 | Rhone Poulenc Sa | Catalysts |
US3235513A (en) * | 1961-02-07 | 1966-02-15 | Varta Ag | Process for activating raney alloys and solution useful for such process |
US3544485A (en) * | 1967-10-16 | 1970-12-01 | Toray Industries | Method of activating catalytic alloys |
US3682709A (en) * | 1967-12-04 | 1972-08-08 | Allis Chalmers Mfg Co | Process for improving nickel base,nonnoble metal fuel cell catalysts |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997478A (en) * | 1974-10-07 | 1976-12-14 | Budapesti Muszki Egyetem | Promted Raney-nickel catalysts |
US4800139A (en) * | 1984-12-27 | 1989-01-24 | Muroran Institute Of Technology | Method of producing hydrogen electrode and use thereof in fuel cells |
US5464699A (en) * | 1988-04-18 | 1995-11-07 | Alloy Surfaces Co. Inc. | Pyrophoric materials and methods for making the same |
US5886189A (en) * | 1990-01-31 | 1999-03-23 | Eastman Kodak Company | Manufacture of aromatic amines |
US5777166A (en) * | 1993-12-28 | 1998-07-07 | Rhone-Poulenc Chimie | Process for the catalytic hydrogenation of nitriles to amines in the presence of a catalyst of doped raney nickel type |
WO1995018090A1 (fr) * | 1993-12-28 | 1995-07-06 | Rhone-Poulenc Chimie | Procede d'hydrogenation catalytique de nitriles en amines en presence d'un catalyseur de type nickel de raney dope |
US6147208A (en) * | 1995-12-22 | 2000-11-14 | Basf Aktiengesellschaft | Process for simultaneously preparing caprolactam and hexamethylene diamine |
EP0807464A1 (en) * | 1996-04-15 | 1997-11-19 | Dairen Chemical Corporation | A modified raney nickel catalyst and a process for preparing diols by using the same |
US6147247A (en) * | 1996-09-10 | 2000-11-14 | Basf Aktiengesellschaft | Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine |
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Also Published As
Publication number | Publication date |
---|---|
GB1397576A (en) | 1975-06-11 |
FR2164959A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-03 |
CA992103A (fr) | 1976-06-29 |
BR7208752D0 (pt) | 1973-09-25 |
SU450387A3 (ru) | 1974-11-15 |
IT971820B (it) | 1974-05-10 |
BE792649A (fr) | 1973-06-12 |
JPS4866087A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-11 |
DD101566A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-11-12 |
CH564372A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-07-31 |
NL7216479A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-15 |
LU66633A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-07-18 |
DE2260978A1 (de) | 1973-06-20 |
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