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| Number | Title | Issue Date |
| 7442737 | Low acidity phosphate esters A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n ... | 10/28/2008 |
| 7429575 | N-(phosphonoalkyl)-amino acids, derivatives thereof and compositions and methods of use The present invention relates to an N-(phosphonoalkyl)-amino acid, a related compound or a derivative thereof, the N-(phosphonoalkyl)-amino acid, related compound or derivative thereof being in a form as a free acid, salt, partial salt, lactone, amide or ester, or i... | 09/30/2008 |
| 7399756 | Organo-phosphorous compounds for activating gamma/delta T cells The present invention describes organophosphorus compounds of general formula (I) their preparation and their uses in the activation of gamma/delta T-cells, in the screening of GcpE and LytB enzyme inhibitors and in the pro... | 07/15/2008 |
| 7345006 | Catalyst system containing Ni(0) for hydrocyanation A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula P(X1R1)(X2R2)(X3R3) (I) | 03/18/2008 |
| 7262330 | Process of producing aldehydes A process of producing aldehydes in a continuous hydroformylation process of continuously reacting an olefinic unsaturated compound with carbon monoxide and hydrogen in the presence of a rhodium-phosphite based complex catalyst and continuously separating at least o... | 08/28/2007 |
| 7253298 | Process for preparing nitrile compounds from ethylenically unsaturated compounds The present invention concerns a process for hydrocyanating ethylenically unsaturated organic compounds to compounds containing at least one nitrile function. It relates more particularly to the hydrocyanation of diolefins such as butadiene or of substituted olefins... | 08/07/2007 |
| 7214810 | Alkoxyamines derived from beta-phosphorylated nitroxides, and use thereof for preparing polymerized or non-polymerized mono- or polyalkoxyamines The invention relates to the use of alkoxyamines of formula (I): for the preparation of polymerized or non-polymerized mono- or polyalkoxyamines of formula (II): ... | 05/08/2007 |
| 7109184 | Phosphate transport inhibitors Disclosed is a phosphate transport inhibiting compound represented by Structural Formula (I): R1 and R2 are independently —H, an electron withdrawing group or a C1–C10... | 09/19/2006 |
| 7101711 | Phosphoepoxides, method for making same and uses The invention provides compounds comprising at least one phosphoepoxide group of the formula: where R1 is selected from among —CH3 and —CH2—CH3, ... | 09/05/2006 |
| 7067685 | Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles The invention relates to phosphinites I of formulae (1) or (2), in which R1, R2, R5, R6, R7, R8, R9 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms; R3 is H or methyl; R4 is i-prop... | 06/27/2006 |
| 6936171 | Process for catalyst recovery from hydrocyanation product mixtures Disclosed herein is a process for recovering diphosphite-containing compounds from a mixture comprising diphosphite-containing compounds and organic dinitriles and Lewis acid, using liquid-liquid extraction, wherein the molar ratio of organic mononitrile present to ... | 08/30/2005 |
| 6790974 | Bis(aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. General Formula [I] (where R2 and R3 each denotes an unsubstituted aryl group; R1 an... | 09/14/2004 |
| 6759461 | Phenolic phosphite antioxidants and polymer compositions containing said antioxidant A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl dipho... | 07/06/2004 |
| 6753439 | Flame-retardant acrylophosphate derivatives The present invention provides an acrylophosphate derivatives of the formula (I) wherein n≧1; Ar is or | 06/22/2004 |
| 6660876 | Phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions A polymeric, phosphorus-containing composition made by heating, in the presence of an initiator, preferably a free radical initiator, and optionally in the presence of one or more comonomers, at least one substituted phosphonylated 2,2'-dihydroxyl-1,1'-bi... | 12/09/2003 |
| 6579860 | Interleukin-6 production inhibitors An interleukin-6 production inhibitor is provided containing a methanebisphosphonic acid derivative as an active component, which has inhibitory effects on interleukin-6 production and is useful in prevention and treatment of diseases due to abnormal prod... | 06/17/2003 |
| 6521778 | Catalyst comprising a complex of a metal from subgroup VIII based on a bidentate phosphonite ligand, and method for producing nitriles A catalyst which comprises at least one complex of a metal of subgroup VIII having at least one bidentate phosphonite ligand of the formula I ##STR1## or salts and mixtures thereof, a process for the preparation of mixtures of monoolefinic C5 -... | 02/18/2003 |
| 6437164 | Process for the preparation of phosphonite compounds Biphenyl and phosphorus trichloride are reacted in the presence of aluminum chloride, a hydrogen chloride gas generated is removed, a pyridine is added, excess phosphorus trichloride is removed, a resulting reaction product containing the obtained phosphi... | 08/20/2002 |
| 6417383 | Thermosensitive cyclotriphosphazene derivatives and a preparation method thereof The present invention relates to novel cyclotriphosphazene derivatives represented by Formula (1) and a preparation method thereof wherein HNA is an amino acid group selected from glycine group(--NHCH2 COO-), aminomalonic acid group(... | 07/09/2002 |
| 6380416 | Asymmetric synthesis catalyzed by transition metal complexes with rigid chiral ligands This invention is to develop novel transition metal catalysts for the practical synthesis of important chiral molecules. The invention emphasizes asymmetric catalysis based on chiral bidentate phosphine ligands with cyclic ring structures which could be u... | 04/30/2002 |
| 6362260 | Phenol-free phosphite stabilizers Liquid organic phosphites of low volatility, based on pentaerythritol, alkyl alcohols and alkyl phenols, which are essentially phenol-free are disclosed. These phosphites are excellent stabilizers for polymers, especially PVC resins. The phenol-free phosp... | 03/26/2002 |
| 6191253 | Polyether phosphates A dispersant for aqueous mill-bases obtainable by reacting a polyethylene glycol with a molar excess of a hydroxycarboxylic acid containing from 4 to 17 carbon atoms or lactone thereof and/or with a C3-4 -alkylene oxide to form a polymeric diol... | 02/20/2001 |
| 6120700 | Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles Improved liquid phase process useful in the hydrocyanation of diolefinic compounds to produce nonconjugated acyclic nitriles and to the liquid phase process of isomerization of the nitrites to, among other things, 3- and/or 4-monoalkene linear nitriles. T... | 09/19/2000 |
| 6069267 | Selective synthesis of organodiphosphite compounds A process for the preparation of organodiphosphites of the formula (R1 O)2 P(OZO)P(OR1)2 wherein R1 and Z are different substituted or unsubstituted aryl groups.... | 05/30/2000 |
| 6008398 | Non-nucleotide phosphorus ester oligomers A phosphorus ester oligomer having the structure: wherein A can be the same or different in each monomeric unit and each is independently selected from the group consisting of oxygen, sulfur, lower alkyl, substituted or unsubstituted alkylamino, substitut... | 12/28/1999 |
| 5969015 | Monomeric and oligomeric bisphosphites as stabilisers for polyvinyl chloride Compositions, comprising (i) a halogen-containing polymeric material, and (ii) at least one phosphite of formula I ##STR1## wherein n is a number from 1 to 6, R is a divalent linking group of formulae as defined herein as well as of novel compounds of fo... | 10/19/1999 |
| 5922671 | Anionic surfactants having multiple hydrophobic and hydrophilic groups Mild and environmentally benign bis-alkylphenol alkoxylated gemini surfactants of the formula: ##STR1## wherein R independently represents alkali, R1 independently represents hydrogen EO represents ethyleneoxy radicals alkyl, R2... | 07/13/1999 |
| 5919965 | Non-nucleotide phosphorus ester oligomers A phosphorus ester oligomer having the structure: ##STR1## wherein A can be the same or different in each monomeric unit and each is independently selected from the group consisting of oxygen, sulfur, lower alkyl, alkyl- or aryl-substituted amino and... | 07/06/1999 |
| 5866548 | Caged membrane-permeant inositol phosphates Caged acyloxyalkyl esters of phosphate-containing inositol phosphates which are capable of permeating cell membranes. The second messengers are protected (caged) at the 6-hydroxyl, with a photolabile group. Once inside the cell, the ester derivatives unde... | 02/02/1999 |
| 5852084 | Crystalline form of tetrakis-(2,4-di-t-butylphenyl)-4,4'-biphenylene Tetrakis-(2,4-di-t-butylphenyl) -4,4'-biphenylene diphosphonite having the formula: ##STR1## in crystalline form, having a melting point of 185° C.-186° C. The above diphosphonite is useful as a stabilizer in organic polymers.... | 12/22/1998 |
| 5834436 | Membrane-permeant second messengers Acyloxyalkyl esters of phosphate-containing second messengers which are capable of permeating cell membranes. Once inside the cell, the ester derivatives undergo enzymatic conversion to the biologically active form of the second messenger. The acyloxyalky... | 11/10/1998 |
| 5785894 | Dispersant for dispersing particulate solids A dispersant for aqueous mill-bases obtainable by reacting a polyethylene glycol with a molar excess of a hydroxycarboxylic acid containing from 4 to 17 carbon atoms or lactone thereof and/or with a C3-4 -alkylene oxide to form a polymeric diol... | 07/28/1998 |
| 5756799 | Chiral phosphinites New optically active phosphinite compounds which are useful in asymmetric catalysis have been synthesized and have been used in the preparation of rhodium catalysts. Such catalysts are particularly useful in enantioselective catalytic hydrogenation reacti... | 05/26/1998 |
| 5703150 | Phosphonite or phosphonate compounds and use thereof Phosphonite and phosphonate compounds ##STR1## wherein X1, X2, X3 and X4 are each independently a group of the formula ##STR2## wherein R is a hydrogen atom or a methyl group, p is 0 or 1, q is in... | 12/30/1997 |
| 5698541 | 2,4-diphosphonoglutaric acid derivatives, processes for their production and pharmaceutical agents containing these compounds The invention concerns compounds of the general formula I ##STR1## in which R denotes a lower alkyl which can be substituted if desired by hydroxy, alkoxy, amino, dialkylamino, alkylmercapto, alkylsulfinyl, alkanesulfonyl, cycloalkyl, aryl or a heter... | 12/16/1997 |
| 5663403 | Bisphosphite compound and method for producing aldehydes A bisphosphite compound of the following formula (I): ##STR1## wherein W is a substituted or unsubstituted arylene group, L is a substituted or unsubstituted alkylene or alkenylene group, X is an oxygen atom, and each of R1 to R4 | 09/02/1997 |
| 5639653 | Method for proliferating Vγ2Vδ2 T cells This invention is directed to a method for stimulating the proliferation of Vγ2Vδ2 T cells comprising contacting Vγ2Vδ2 T cells with a Vγ2Vδ2 T cell proliferation stimulating amount of a compound selected from the group consisting of a monoalkyl pho... | 06/17/1997 |
| 5631392 | Hydroformylation process and bidentate phosphite ligand catalysts used therein The invention relates to a process for preparing an aldehyde compound by hydroformylation of an ethylenically unsaturated organic compound, using a catalyst system which includes a Group VIII metal and a novel bidentate phosphite ligand. The bidentate pho... | 05/20/1997 |
| 5401845 | Asymmetric aryl phosphites Compounds of the formula I ##STR1## in which x is 1, 2 or 3, and, if x=1, R1 is C1 -C30 alkyl, C1 -C18 alkyl substituted by halogen, --COOR2, --CN, --NR3 R4 or by... | 03/28/1995 |
| 5395828 | Inositol phosphate analogues as calcium-antagonistic substances A compound of the formula (I) ##STR1## in which R1 is e.g. phosphate, R2 is e.g. phosphate or OH, and R4 is e.g. ##STR2## are suitable Calcium antagonists and useful e.g. for the treatment of cardio-vascular dise... | 03/07/1995 |
