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| Number | Title | Issue Date |
| 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 |
| 5621129 | Optically active tertiary phosphine compound, transition metal complex comprising the same as ligand and process for preparing optically active organic silicon compound using said transition metal complex A tertiary phosphine compound of the formula (1): ##STR1## in which R1 and R1' are hydrogen atoms or together form --CH.dbd.CH--CH.dbd.CH--; R2 and R3 together form a group of the formula (a): ##STR2#... | 04/15/1997 |
| 5621128 | Halogenated biphenyl-2,2'-diylbisdiphenylphosphines, their preparation and their use Compounds of the formula I ##STR1## in which the phenyl rings of the biphenyl molecule can be substituted with up to 8 fluorine and/or chlorine atoms are suitable as catalysts.... | 04/15/1997 |
| 5614652 | Particulates There is provided a means of cellular level therapy or prophylaxis whereby endocytosable particles are administered so as to emit cytotoxic radiation or to release metal cations having a therapeutic or prophylactic effect, eg. a vital replication suppress... | 03/25/1997 |
| 5574171 | Enantioselective hydroformylation Enantioselective hydroformylation of vinyl compounds using a catalyst composition of a chiral carbohydrate phosphorous ligand with a Rh, Pt, Co or Ir metal, to produce chiral 2-substituted propanals, wherein the phosphorous of the ligand is substituted wi... | 11/12/1996 |
| 5569746 | Process for preparing alkylsubstituted cyclopentadienyl metallocene compounds A process for making a metallocene, said process comprising the steps of (a) reacting an alkylsubstituted cyclopentadiene ligand, which contains a mixture of endo- and exo-isomers, with up to about a 10% excess over a stoichiometric amount of a deprotonat... | 10/29/1996 |
| 5565594 | Ferrocene diphosphines as ligands for homogeneous catalysts Compounds of formula I ##STR1## wherein R1 is C1 -C8 alkyl, phenyl or phenyl which is substituted by 1 to 3 C1 -C4 alkyl or C1 -C4 alkoxy groups; R2 and R3 | 10/15/1996 |
| 5563309 | Ferrocenyl diphosphines as ligands for homogeneous catalysts Compounds of formula I ##STR1## wherein R1 is C1 -C8 alkyl, phenyl or phenyl which is substituted by 1 to 3 C1 -C4 alkyl or C1 -C4 alkoxy groups; R2 and R3 | 10/08/1996 |
| 5563308 | Ferrocene diphosphines as ligands for homogeneous catalysts Compounds of formula I ##STR1## wherein R1 is C1 -C8 alkyl, phenyl or phenyl which is substituted by 1 to 3 C1 -C4 alkyl or C1 -C4 alkoxy groups; R2 and R3 | 10/08/1996 |
| 5561042 | Diamine platinum naphthalimide complexes as antitumor agents The present invention provides novel bis-naphthalimides characterized by having a linker containing a heteroatom, their preparation, pharmaceutical compositions thereof, and various methods of using the bis-naphthalimides. Particularly preferred bis-napht... | 10/01/1996 |
| 5559262 | Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts This invention relates to a process of preparing a ruthenium complex of the formula RuH2 (PR3)2 L2 wherein PR3 is an organophosphoms ligand and L is H2 or PR3 ; a catalyst compri... | 09/24/1996 |
| 5556998 | Transition metal complex, process for the preparation of the same, and asymmetric hydrogenation catalyst comprising the same The present invention provides a novel transition metal complex which catalyzes asymmetric hydrogenation reaction. The present invention also provides a process for the preparation of the foregoing novel complex. The present invention further provides an ... | 09/17/1996 |
| 5554778 | Ruthenium hydrogenation catalysts The invention relates to a novel ruthenium complex having the formula Ru(η3 -C6 H8 -PCy2)(PCy3)Cl, wherein Cy is cyclohexyl; its use in the preparation of RuHCl(H2)(PCy3)2... | 09/10/1996 |
| 5554777 | Catalyst for the preparation of linear carbon monoxide/alpha-olefin copolymers Novel catalyst compositions comprising a cationic transition metal complex containing palladium, a mono-, di-, or tridendate ligand, and an anion are disclosed. The novel catalyst compositions can be used in a process for polymerizing carbon monoxide and ... | 09/10/1996 |
| 5550265 | Onium borates/borates of organometallic complexes and cationic initiation of polymerization therewith Novel onium borates of an element of Groups 15 to 17 of the Periodic Table, or borates of an organometallic complex of an element of Groups 4 to 10 of the Periodic Table, well suited for the photochemical/electron beam cationic initiation of polymerizatio... | 08/27/1996 |
| 5545769 | Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein A process is disclosed for the manufacture of product compounds of the formula HC(R1)2 C(R1)2 C(R2)2 H wherein each R1 is independently selected from the group consisting of H, F, Cl,... | 08/13/1996 |
| 5534542 | Methods and materials relating to a bi-metallic cross-linking species Disclosed herein is a bi-metallic cross-linking reagent according to the following formula: ##STR1## where M1 is a metal ion species capable of forming a complex of coordination number four or coordination number six; wherein L1... | 07/09/1996 |
| 5532395 | Chiral phospholanes via chiral 1,4-diol cyclic sulfates This invention relates to novel chiral 1,4-diol cyclic sulfates and their use as precursors in the preparation of chiral phospholane ligands, and chiral complexes useful as catalysts for carrying out enantioselective reactions.... | 07/02/1996 |
| 5530150 | Phosphine compound, complex containing the phosphine compound as ligand, process for producing optically active aldehyde using the phosphine compound or the complex, and 4-[(R)-1'-formylethyl]azetidin-2-one derivatives A phosphine compound represented by one of the formulas: ##STR1## wherein R1 and R2, which may be the same or different, each represent a phenyl group or a phenyl group substituted with a halogen atom or a lower alkyl group or t... | 06/25/1996 |
| 5523436 | Catalysts for hydrosilylation reactions Novel catalysts of the general formula MXa Yb, in which M is Pt, Pd, Rh, Ru, Os or Ir, X is a triazene, tetrazene, tetrazadiene or pentazadiene ligand, Y is a ligand selected from Cl, Br, I, NH3, P(C2 H5)3 | 06/04/1996 |
| 5523437 | Tertiary phosphine compound and transition metal complex comprising the same as ligand A tertiary phosphine compound of the formula (1): ##STR1## wherein R1 and R2 represent independently from each other a hydrogen atom or a methyl group, or together form --CH.dbd.CH--CH.dbd.CH--; R3 is a hydrogen atom ... | 06/04/1996 |
| 5523438 | Metal-fullerene intercalation compounds, process for their preparation and use as catalysts Metal-fullerene intercalation compounds, process for their preparation and use as catalysts Transition metal-fullerene intercalation compounds and a process for the preparation thereof by reaction of transition metal compounds with fullerenes or fullerene... | 06/04/1996 |
| 5516739 | Late transition metal catalysts for the co- and terpolymerization of olefin and alkyne monomers with carbon monoxide A catalyst and method for the co-and terpolymerization of monomers of ethylene, other olefins, and alkynes with carbon monoxide is provided. Such a catalyst a method can be used for form living polymers. The catalyst of the present invention comprises an ... | 05/14/1996 |
| 5510437 | Organoplatinum polymer and method for producing the same There is disclosed a method for producing organoplatinum polymers by reacting 5,6,11,12-tetradehydrodibenzo a,e!cyclooctenes with platinum complexes. The organoplatinum polymer thus obtained has π-coordinated acetylene in the main chain, and is expected ... | 04/23/1996 |
| 5510503 | Bisphosphines for asymmetric hydrogenation catalysts The invention relates to novel enantiomerically pure bisphosphines of the general formula (I) ##STR1## in which R, R1 and R2 have the meanings given in the description, a process for the preparation thereof and the use thereof i... | 04/23/1996 |
| 5501808 | Crystalline-like transition metal material Transition metal compounds of a crystalline-like structure are provided having unique electrical properties. The compounds comprising nickel have been shown to have ferromagnetic behavior which is induced or enhanced by exposure to electromagnetic radiati... | 03/26/1996 |
| 5496961 | Triazene oxide-transition metal complexes as hydrosilylation catalysts Organosilicon compounds having Si-bonded hydrogen atoms are reacted with organic compounds having aliphatic multiple bonds in the presence of triazene oxide-transition metal complexes. The triazene oxide-transition metal complexes are activated by heating... | 03/05/1996 |
| 5491247 | Preparation of a precious metal salt of a nonoxidizing acid by direct reaction A process is disclosed for the manufacture of precious metal salts by the direct reaction of a precious metal and an oxidizing agent in the presence of a nonoxidizing acid.... | 02/13/1996 |
| 5486538 | Precious metal humates and their preparations A precious metal salt of a low molecular humic acid containing 1 to 5% by weight of the precious metal processes for their preparation and a method of stabilizing alkali metal humate and their medical uses.... | 01/23/1996 |
| 5481006 | Selective asymmetric hydrogenation of dehydroamino acid derivatives using rhodium and iridium diphosphinite carbohydrate catalyst compositions A process and catalyst composition are provided for the highly efficient enantioselective hydrogenation of dehydroamino acid derivatives. The catalyst composition comprises rhodium or iridium and a diphosphinite carbohydrate ligand, wherein the phosphorou... | 01/02/1996 |
| 5463093 | Palladium complexes and methods for using same in the treatment of tumors or Psoriasis Novel palladium complexes and pharmaceutical compositions comprising the same are provided. Such complexes comprise (palladium)m (lipoic acid)n, wherein m and n are each independently 1 or 2. A process for preparing such complexes is... | 10/31/1995 |
| 5463097 | Ferrocenyl diphosphines as ligands for homogeneous catalysts A complex of the formula V or VI, [X1 M1 YZ] X1 M1 Y].sym. A1.crclbar. wherein X1 is two C2 -C12 olefins or one C5 -C12 diene, Z is C... | 10/31/1995 |
| 5457218 | Precursor and related method of forming for use in forming electrochromic coatings Electrochromic coating solutions are prepared by reacting a transition metal with a mixture of hydrogen peroxide and an organic acid. The resulting transition metal-peroxy acid product is esterified by reacting with lower carbon alcohols to produce a pero... | 10/10/1995 |
| 5455333 | Preparation of metallocenes Metallocenes which are useful as olefin polymerization catalysts are prepared by reacting a compound of a metal of the group 4 to 10, lanthanide or actinide series of the Periodic Table of the Elements with a magnesium halide salt of a cyclopentadienyl co... | 10/03/1995 |
| 5449663 | Antineoplastic compositions Anti-cancer compositions containing chiral monosaccharides and methods of their use are disclosed herein. The compositions, exhibiting cytostatic and cytotoxic properties with regard to neoplastic cells are formulated using the L-isomeric form of monosacc... | 09/12/1995 |
| 5430163 | Palladium catalyst systems for selective hydrogenation of dienes A catalyst precursor is provided that is useful in the selective hydrogenation of olefinic unsaturation in polymers or copolymers. The precursor comprises a palladium salt that is complexed with a complexing agent selected from the group consisting of org... | 07/04/1995 |
| 5426216 | Process for the hydrogenation of ethylenically unsaturated organic compounds and ruthenium catalysts for carrying out said process The present invention relates to a process for the hydrogenation of ethylenically unsaturated organic compounds. This process is carried out in a homogeneous medium containing a hydrogenation catalyst formed by a complex of ruthenium with a phosphine, whi... | 06/20/1995 |
| 5414101 | Preparation of hydridocarbonyl tris (triorganophosphorus) rhodium compounds Process for the preparation of hydridocarbonyl tris (triorganophosphorus) rhodium compounds from a concentrated hydroformylation reaction mixture.... | 05/09/1995 |
| 5405601 | Functionalized tripodal ligands for imaging applications The present invention provides new and structurally diverse compositions for diagnostic imaging comprising compounds of the general formula: ##STR1## wherein A is N or CR1, R1 is hydrogen, C1 -C8 alkyl, or ... | 04/11/1995 |
| 5403802 | Iridium catalyst for metathesis of acyclic olefins Iridium catalyst compositions for the metathesis of functionalized and unfunctionalized acyclic olefins.... | 04/04/1995 |
