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Class Information
Number: 556/54
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heavy metal containing (e.g., ga, in or t1, etc.) > Titanium, zirconium, or hafnium containing (ti, zr, or hf) > Plural chalcogens bonded directly to the metal (e.g., alkyl titanates, titanic esters, etc.)
Description: Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium or tellurium) are bonded directly to the metal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7399873 |
Process for the preparation of carboxylic acid esters |
Jul. 15, 2008 |
| 7358381 |
Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands |
Apr. 15, 2008 |
| 7273943 |
Process for the preparation of high-purity zirconium, hafnium, tantalum and niobium alkoxides |
Sep. 25, 2007 |
| 7268243 |
Bis(salicylaldiminato)titanium complex catalysts, highly syndiotactic polypropylene by a chain-end control mechanism, block copolymer containing this |
Sep. 11, 2007 |
| 7196211 |
Hafnium-containing material for film formation, method for producing the same, and method for producing hafnium-containing thin film using the same |
Mar. 27, 2007 |
| 7169875 |
Organometallic compositions |
Jan. 30, 2007 |
| 7091151 |
Catalytic system for aldol reactions |
Aug. 15, 2006 |
| 7060848 |
Bridged bi-aromatic catalysts, complexes, and methods of using the same |
Jun. 13, 2006 |
| 7030256 |
Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom |
Apr. 18, 2006 |
| 6870064 |
Titanium and zirconium compounds |
Mar. 22, 2005 |
| 6867161 |
Titanium catalyst and organotitanium reacting reagent, production thereof, and reaction thereby |
Mar. 15, 2005 |
| 6809211 |
Catalysts for polymerization of alkylene oxides |
Oct. 26, 2004 |
| 6761879 |
Titanium derived compounds, preparation and use thereof |
Jul. 13, 2004 |
| 6762004 |
Charge control agent and toner for developing electrostatic images |
Jul. 13, 2004 |
| 6753436 |
Olefin polymerization catalysts |
Jun. 22, 2004 |
| 6747105 |
Bis-Schiff base ligand-containing mono-metallocene olefin polymerization catalyst, its preparation process and application |
Jun. 8, 2004 |
| 6743933 |
Process of forming thin film and precursor for chemical vapor deposition |
Jun. 1, 2004 |
| 6723676 |
1,3-disubstituted indene complexes |
Apr. 20, 2004 |
| 6695977 |
Use of chiral, uncharged metal compounds as dopants for liquid-crystalline materials |
Feb. 24, 2004 |
| 6686489 |
Metal organic precursors for transparent metal oxide thin films and method of making same |
Feb. 3, 2004 |
| 6686488 |
Constrained geometry addition polymerization catalysts |
Feb. 3, 2004 |
| 6682602 |
Chemical vapor deposition systems including metal complexes with chelating O- and/or N-donor ligands |
Jan. 27, 2004 |
| 6623656 |
Source reagent composition for CVD formation of Zr/Hf doped gate dielectric and high dielectric constant metal oxide thin films and method of using same |
Sep. 23, 2003 |
| 6613713 |
Organometallic compounds with fused indenyl ligands |
Sep. 2, 2003 |
| 6610872 |
Process for preparing polysilane by catalytic dehydrogenative condensation of organosilane and metal complex catalyst therefor |
Aug. 26, 2003 |
| 6603033 |
Organotitanium precursors for chemical vapor deposition and manufacturing method thereof |
Aug. 5, 2003 |
| 6566544 |
Catalysts for thermoplastic elastomeric olefin polymers |
May. 20, 2003 |
| 6562990 |
Titanium chelates and processes therefor |
May. 13, 2003 |
| 6534664 |
Catalyst ligands, catalytic metal complexes and processes using same |
Mar. 18, 2003 |
| 6476250 |
Optically active fluorinated binaphthol derivative |
Nov. 5, 2002 |
| 6455717 |
Metal complexes with chelating O-and/or N-donor ligands |
Sep. 24, 2002 |
| 6444835 |
Titanocene synthesis |
Sep. 3, 2002 |
| RE37788 |
Monocyclopentadienyl metal compounds for ethylene-.alpha.-olefin-copolymer production catalysts |
Jul. 9, 2002 |
| 6383669 |
Chemical vapor deposition precursors |
May. 7, 2002 |
| 6380392 |
Ligands based on chiral 2-amino-2'-hydroxy-1,1'-binaphthyl and related frameworks for asymmetric catalysis |
Apr. 30, 2002 |
| 6380406 |
Homogeneous epoxidation catalyst |
Apr. 30, 2002 |
| 6376691 |
Metal organic precursors for transparent metal oxide thin films and method of making same |
Apr. 23, 2002 |
| 6355821 |
Preparation of metal alkoxides |
Mar. 12, 2002 |
| 6344530 |
Process for producing .alpha.-olefin polymers |
Feb. 5, 2002 |
| 6333423 |
Ultra-high activity non-metallocene pre-catalyst and method for catalytic polymerization of alpha-olefin monomers |
Dec. 25, 2001 |
| 6306791 |
Bridged zirconocene compounds, process for their preparation and their use as catalyst components in the polymerization of olefins |
Oct. 23, 2001 |
| 6307063 |
Conversion of compounds of titanium in a plus 4 oxidation state to titanium compounds in a plus 3 oxidation state |
Oct. 23, 2001 |
| 6294682 |
Alkoxides with alkaline earths and titanium, zirconium and/or hafnium, their production and use |
Sep. 25, 2001 |
| 6258966 |
Chiral ligand and method for preparing cyanohydrins from aldehydes |
Jul. 10, 2001 |
| 6252097 |
Transition metal compounds |
Jun. 26, 2001 |
| 6248912 |
Organometallic compounds |
Jun. 19, 2001 |
| 6245141 |
Tannin stain inhibiting coating composition |
Jun. 12, 2001 |
| 6235917 |
Dinuclear complexes and polymerization catalysts therefrom |
May. 22, 2001 |
| 6232484 |
Bridged zirconocene compounds, process for their preparation and their use as catalyst components in the polymerization of olefins |
May. 15, 2001 |
| 6222063 |
Process for transesterifying .alpha.-Ketocarboxylic esters |
Apr. 24, 2001 |
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