Patents in Class 568/455

Matches 1 - 50 out of 120

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Match	Document	Document Title
1	7531698	Tetraphosphorus ligands for catalytic hydroformylation and related reactions Tetraphosphorous ligands are combined with transition metal salts to form catalysts for use in hydroformylation, isomerization-hydroformylation, hydrocarboxylation, hydrocyan-ation,...
2	7270985	Process for the preparation of aldehyde from a proteinous source for industrial applications A process is disclosed to treat the protein hydrolysate, prepared conventionally from a proteinous source, with alkali metal hydride to obtain alcohol which is subsequently oxidized to obtain...
3	7217828	Phosphinine compounds and metal complexes thereof Phosphinines of formula (I) can be combined with metal salts to prepare hydroformylation catalysts. The phosphinine complexes have two phosphorus centers that may be substituted with a variety of...
4	7115387	Process for the preparation of aldehyde from a proteinous source for industrial applications A process is disclosed to treat the protein hydrolysate, prepared conventionally from a proteinous source, with alkyl halide to obtain alcohol which is subsequently oxidized to obtain aldehyde...
5	7060860	Hydroformylation process employing a cobalt-based catalyst in a non-aqueous liquid with improved catalyst recycling A process for hydroformylating olefinically unsaturated compounds by means of a cobalt-based catalyst is carried out in a non-aqueous ionic liquid which is a liquid at a temperature below 90° C....
6	6982355	Integrated Fischer-Tropsch process for production of linear and branched alcohols and olefins A process is disclosed for making high value olefins and alcohols from synthesis gas as well as a process for an improved yield of alpha-olefins from synthesis gas. The process for hydroformulation...
7	6852661	Catalyst comprising a metal complex of the VIII subgroup based on a phosphine amidite ligand and its utilization for hydroformylation and hydrocyanation A catalyst comprising at least one complex of a metal of transition group VIII comprising at least one monodentate, bidentate or multidentate phosphinamidite ligand in which the phosphorus atom and...
8	6677268	Catalyst based on cobalt and/or rhodium employed in a two-phase medium An improved catalyst based on cobalt and/or rhodium dissolved in a non-aqueous ionic solvent which is liquid at a temperature of less than 90° C. More particularly, the catalyst comprises at least...
9	6642420	Method for producing aldehydes and/or alcohols or amines A process for the preparation of aldehydes and/or alcohols or amines by reacting olefins in the liquid phase with carbon monoxide and hydrogen, a part of these gases being dispersed in the form of...
10	6107524	Process for producing aldehydes by hydroformylation of olefins A process for the preparation of aldehydes or aldehydes and alcohols by hydroformylation of olefins containing more than 3 carbon atoms comprising a hydroformylation stage, in which the olefin is...
11	6040483	Process for hydroformylating olefins Process for liquid-phase hydroformylation of at least one olefin by carbon oxide and hydrogen oxide in the presence of a catalytic composition that contains at least one compound of a transition...
12	5976408	Acrylonitrile derivative, liquid crystal composition, and liquid crystal display device An acrylonitrile derivative expressed by the following general formula I, a composition comprising the derivative and having an improved viscosity and optical anisotropy, and a liquid crystal...
13	5723680	Preparation of aldehydes Aldehydes and/or alcohols are prepared by the hydroformylation of olefins of more than 3 carbon atoms by means of a bare rhodium catalyst dissolved homogeneously in the reaction medium, at...
14	5705521	Use of allosteric hemoglobin modifiers in combination with radiation therapy to treat carcinogenic tumors A family of compounds has been found to be useful for right-shifting hemoglobin towards a low oxygen affinity state. The effect has particular application in radiation oncology applications. The...
15	5696297	Preparation of aldehydes Aldehydes or aldehydes and alcohols are prepared by hydroformylation of olefins of more than 3 carbon atoms by a process comprising the stage of hydroformylation by means of a rhodium catalyst...
16	5689010	Preparation of higher aldehydes Aldehydes with a higher number of carbon atoms and high selection are prepared by reacting olefins, in particular from petrochemical refinery products, by a hydroformylation with aldol condensation...
17	5684167	Process for producing 2-hydroxy-4-methyltetrahydrofuran 2-Hydroxy-4-methyltetrahydrofuran is prepared by reacting 2-methyl-2-propen-1-ol with hydrogen and carbon monoxide in the presence of: (a) a rhodium compound, and (b) tris(substituted...
18	5672766	Method for producing aldehydes A method for producing aldehydes, which comprises reacting an olefinic unsaturated compound with carbon monoxide and hydrogen for hydroformylation in the presence of a rhodium-phosphite complex...
19	5661182	Method for lowering oxygen affinity of hemoglobin in redcell suspensions, in whole blood and in vivo Drug compounds are used as allosteric modifiers of hemoglobin present in red blood cells. The compounds bind to only a single pair of symmetry related sites in the central water cavity of...
20	5488175	Hydroformylation process A process for the hydroformylation of unsaturated compounds containing a group CCC--OH, in the presence of a catalyst system containing rhodium and a ligand of the formula R 1 R 2 P--R--NR...
21	5471004	Process for producing α,β-unsaturated aldehydes The present invention relates to a process for producing an α,β-unsaturated aldehyde which comprises subjecting an allyl-hexamethylenetetraammonium derivative to hydrolysis in water and an...
22	5434312	Process for the hydroformylation of 1,3-butadiene 1,3-Butadiene is hydroformylated at 60° to 150° C. and 1 to 20 MPa in the presence of an aqueous solution which contains, as catalyst, at least one water-soluble rhodium compound and at least one...
23	5432191	Allosteric hemoglobin modifiers to decrease oxygen affinity in blood A family of compounds has been found to be useful for right-shifting hemoglobin towards a low oxygen affinity state. The compounds are capable of acting on hemoglobin in whole blood. In addition,...
24	5183943	Reactivation of hydroformylation catalysts A process for improving the catalytic activity of a partially deactivated solubilized rhodium - tertiary organophosphine complex hydroformylation catalyst.
25	5126304	Method for the preparation of a catalyst for water gas and hydroformylation, catalyst prepared by the method and use of the catalyst The invention relates to a method for the preparation of a catalyst for water gas and hydroformylation reactions, which catalyst includes as active components a ruthenic carbonyl and a heterocyclic...
26	5122539	Allosteric hemoglobin modifiers useful for decreasing oxygen affinity and preserving oxygen carrying capability of stored blood Compounds of the general structural formula: ##STR1## wherein X, Y and Z may each be CH 2 , NH, or O, R 2 -6 are either hydrogen, halogen, or a substituted or unsubstituted C 1 , C 2 , or C 3 ...
27	5049695	Allosteric hemoglobin modifiers Allosteric hemoglobin modifier compounds having the general formula ##STR1## wherein X and Z may be CH 2 , NH or O.
28	5041685	Procedure for producing alcohols and aldehydes from alkenes and synthesis gases The present invention concerns a procedure for preparing alcohols and aldehydes from alkenes and synthesis gas by a heterogeneous reaction in which the catalyst system is composed of Ru 3 (CO) 12 ...
29	5024983	Catalyst system, process for its preparation and its application to the manufacture of aldehydes The catalyst system is characterized in that it comprises: at least one platinum complex of formula LPtX 2 in which L is an organic compound containing at least two phosphorus atoms capable of...
30	4999443	Transition metal complexes Transition metal complexes of the general formula I [A] x - [Q] + x I where Q is one equivalent of a cation, x is from 0 to 2 and A is a transition metal complex...
31	4996366	Process for the catalytic hydroformylation of olefins Process for the catalytic hydroformylation of olefins in which an olefin is reacted with hydrogen and carbon monoxide, with the process being carried out by operating in a liquid, aqueous-organic...
32	4960921	Multiply promoted MN-SB oxide catalysts Certain novel multiply promoted Mn-Sb oxides are superior catalysts for the ammoxidation of olefins to the corresponding unsaturated nitriles, the selective oxidation of olefins to unsaturated...
33	4939304	Continuous and selective catalytic conversion of cyanohydrins to their corresponding aldehydes There is described a method of selectively and continuously converting a cyanohydrin to its corresponding aldehyde using as a catalyst zerovalent palladium dispersed on an organic polymeric resin...
34	4885400	Production process of 2-chloropropionaldehyde In the production of 2-chloropropionaldehyde by the hydroformylation of vinyl chloride in the presence of a rhodium catalyst in combination with a base, the activity of the catalyst can be improved...
35	4879418	Process for the preparation of aldehydes A process for the preparation of aldehydes including reacting olefins with carbon monoxide and hydrogen in an aqueous liquid phase in the presence of a rhodium catalyst and a specific class of...
36	4806678	Process for the hydroformylation of allylic esters using a cobalt catalyst A process is disclosed for preparing compounds such as 4-acetoxybutyraldehyde which comprises contacting reactants such as allyl acetates with a cobalt carbonyl catalyst in the presence of various...
37	4742178	Low pressure hydroformylation of dienes A hydroformylation process for preparing dialdehydes from dienes by contacting a C 6 -C 10 diene in a reaction zone at a temperature of from about 20° C. to about 250° C. and a pressure of from...
38	4710587	Process for removing triorganophosphine from an organic liquid A process for selectively removing alkyl substituted phosphine from an organic liquid containing same and triarylphosphine by treating said liquid with phosphoric acid.
39	4654445	Preparation process of 2-chloropropionaldehyde This invention relates to a process for preparing 2-chloropropionaldehyde (2-CPA) by using vinyl chloride, carbon monoxide and hydrogen as raw materials. Although processes making use of cobalt...
40	4633021	Olefin hydroformylation The hydroformylation of olefins to produce aldehydes is disclosed employing an ionic metal complex catalyst where the ionic charge is on either the metal or on a ligand in a polar solvent followed...
41	4613702	Aldehyde production by hydrocarbonylation of organic halides Aldehydes are facilely prepared in high yields by catalytically hydrocarbonylating an organic halide with gaseous admixture of hydrogen and carbon monoxide in the presence of a neutralizing agent...
42	4612403	Hydroformylation of olefinic compounds in the presence of a cobalt catalyst and an organic nitrile promoter A process is provided for the hydroformylation of an olefinic compound with carbon monoxide and hydrogen in the presence of cobalt catalyst and a promoter comprised of an organic nitrile. In one...
43	4590311	Process for the preparation of 1,4-butanediol A process for preparation of 1,4-butanediol comprises reaction of allyl alcohol with carbon monoxide and hydrogen in the presence of a soluble rhodium catalyst, certain phosphine promoters and...
44	4567306	Continuous process for the production of aldehydes by hydroformylation of olefins A continuous hydroformylation process for the production of an aldehyde by hydroformylation of an olefin comprises: providing a hydroformylation zone containing a charge of a liquid reaction...
45	RE31812	Catalytic hydroformylation of olefins Olefins are hydroformylated to aldehydes in the presence of a catalytic system comprising a rhodium containing, aqueous solution of certain sulfonated aryl phosphine compounds.
46	4487972	Production of oxygenated compounds This specification discloses a process for the production of oxygenated compounds, more specifically aldehydes and alcohols, by reacting an olefin with hydrogen and carbon monoxide in the...
47	4451407	Carbonylation of olefinically unsaturated compounds Oxygenated organic compounds, e.g. esters, aldehydes, and amides, are prepared by reacting an olefinically unsaturated compound with carbon monoxide and a compound containing a replaceable hydrogen...
48	4390729	Process for carbonylation using tetraalkyl phosphonium substituted phosphine and amine transition metal complexes as catalyst Complexes of the formula [(R 2 DQ) b P + R 1 4 -b ] g .(MX n ) s are disclosed in which R is selected from an alkyl group containing 1 to 30 carbon atoms and an aryl group containing from 6 to...
49	4374999	Internal hydroformylation of acrolein acetals Acrolein acetals are selectively hydroformylated on the unsaturated carbon atom adjacent to the carbon bearing two ether groups in the presence of a supported rhodium-cobalt bimetallic cluster. The...
50	4317936	Hydroformylation process using resin-ligand-metal catalyst The hydroformylation of olefinic hydrocarbons is effected by treating the hydrocarbon with hydrogen and carbon monoxide in the presence of a catalyst comprising an ion exchange resin, a metal...

Matches 1 - 50 out of 120

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