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Class Information
Number: 556/53
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) > Carbon bonded directly to the metal > Plural unsaturated 5-membered carbocyclic rings bonded directly to the metal
Description: Compounds wherein at least two unsaturated 5-membered carbocyclic rings are bonded directly to the metal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619106 |
Preparation of partially hydrogenated rac-ansa-metallocene complexes |
Nov. 17, 2009 |
| 7615597 |
Process for the copolymerization of ethylene |
Nov. 10, 2009 |
| 7615660 |
Production process of alkoxy-titanium complex |
Nov. 10, 2009 |
| 7601666 |
Olefin polymerization catalyst system and process for use thereof |
Oct. 13, 2009 |
| 7589160 |
Process for preparing 1-butene polymers |
Sep. 15, 2009 |
| 7579417 |
Metallocene compounds |
Aug. 25, 2009 |
| 7569713 |
Hydrogenated catalyst |
Aug. 4, 2009 |
| 7557171 |
Halogen substituted metallocene compounds for olefin polymerization |
Jul. 7, 2009 |
| 7550544 |
Halogen substituted metallocene compounds for olefin polymerization |
Jun. 23, 2009 |
| 7544826 |
Monocyclopentadienyl complexes |
Jun. 9, 2009 |
| 7538168 |
Halogen substituted metallocene compounds for olefin polymerization |
May. 26, 2009 |
| 7531458 |
Organometallic compounds |
May. 12, 2009 |
| 7524906 |
Process for the preparation of a metal-organic compound comprising at least one imine ligand |
Apr. 28, 2009 |
| 7521572 |
Polymerization catalysts and process for producing bimodal polymers in a single reactor |
Apr. 21, 2009 |
| 7507688 |
Monocyclopentadienyl complexes |
Mar. 24, 2009 |
| 7470759 |
Isotactic-atactic polypropylene and methods of making same |
Dec. 30, 2008 |
| 7468452 |
Process for one-pot synthesis of 1,1-diphenyl-1-(3-substituted-cyclopentadienyl)-1-(2,7-di-t-butyl-fluoren- -9-yl)methane type ligands |
Dec. 23, 2008 |
| 7468451 |
Process for the production of halide metallocene compounds |
Dec. 23, 2008 |
| 7465688 |
Process for the isomerization of metallocene compounds |
Dec. 16, 2008 |
| 7453005 |
Transition metal compound and catalyst for olefin polymerization |
Nov. 18, 2008 |
| 7452949 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins |
Nov. 18, 2008 |
| 7446216 |
Halogen substituted metallocene compounds for olefin polymerization |
Nov. 4, 2008 |
| 7439379 |
Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same |
Oct. 21, 2008 |
| 7439378 |
Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same |
Oct. 21, 2008 |
| 7432336 |
Catalysts for propylene copolymers |
Oct. 7, 2008 |
| 7405261 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins |
Jul. 29, 2008 |
| 7388062 |
Group IIIb metal complexes with "constrained geometry" fluorenyl based ligands |
Jun. 17, 2008 |
| 7358381 |
Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands |
Apr. 15, 2008 |
| 7342078 |
Transition metal compound, ligand system, catalyst system and the use of the latter for polymerisation and copolymerisation of olefins |
Mar. 11, 2008 |
| RE40121 |
Transition metal compound |
Feb. 26, 2008 |
| 7332618 |
Organometallic precursor compounds |
Feb. 19, 2008 |
| 7307177 |
Metallocene complexes, their synthesis and use in catalyst systems for olefin polymerization |
Dec. 11, 2007 |
| 7285608 |
Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins |
Oct. 23, 2007 |
| 7276567 |
Heterocyclic substituted metallocene compounds for olefin polymerization |
Oct. 2, 2007 |
| 7250478 |
Silicon containing cyclopentadienyl ring for metallocene catalyst components |
Jul. 31, 2007 |
| 7247595 |
Supported metallocene catalyst and olefin polymerization using the same |
Jul. 24, 2007 |
| 7241849 |
Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands |
Jul. 10, 2007 |
| 7238818 |
Heterocyclic metallocenes and polymerization catalysts |
Jul. 3, 2007 |
| 7232870 |
Bridged metallocene complexes, process for preparing the same and use thereof |
Jun. 19, 2007 |
| 7230128 |
Organometallic fluorenyl compounds, preparations, and use |
Jun. 12, 2007 |
| 7223824 |
Multinuclear transition metal compound and catalyst system including the same |
May. 29, 2007 |
| 7223878 |
Reduction of concentration of inorganic by-products and organometallic by-products in the preparation of metallocenes and economical recovery of the starting materials used |
May. 29, 2007 |
| 7214747 |
Phosphorus substituted metallocene compounds for olefin polymerization |
May. 8, 2007 |
| 7214746 |
Phosphorus bridged metallocene compounds for olefin polymerization |
May. 8, 2007 |
| RE39561 |
Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts |
Apr. 10, 2007 |
| RE39532 |
Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts |
Mar. 27, 2007 |
| 7193099 |
Racemoselective preparation of isolable ansa-metallocene biphenoxide complexes |
Mar. 20, 2007 |
| 7169483 |
Opto-electroactive device comprising a metallocene and method |
Jan. 30, 2007 |
| 7166731 |
Method of preparing fulvene compounds and method of preparing ansa-metallocene compounds using the compounds |
Jan. 23, 2007 |
| 7166684 |
Transition metal compound, catalyst for olefin polymerization and method for producing polyolefin |
Jan. 23, 2007 |
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