| Patent Number |
Title Of Patent |
Date Issued |
| 7223878 |
Reduction of concentration of inorganic by-products and organometallic by-products in the prepar |
May 29, 2007 |
| A process for separating inorganic and organometallic by-products from a mixture comprising at least one organometallic transition metal compound as product and at least one organometallic by-product and at least one inorganic by-product as by-products comprises the steps A) admixing t |
| 7199274 |
Preparation of substituted indenes |
April 3, 2007 |
| The present invention relates to a simple process for preparing specifically substituted indenes of the formula (I) or (Ia) ##STR00001## to compounds of the formula (II) serving as starting materials ##STR00002## and to the use of the compounds of the formula (II) as starting materi |
| 7157398 |
Covalently fixed nonmetallocenes, process for preparing them and their use for the polymerizatio |
January 2, 2007 |
| The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use thereof for polymerizing olefins. |
| 7148174 |
Non-metallocene catalyst system |
December 12, 2006 |
| The present invention describes a novel group of specific transition metal compounds, referred to as nonmetallocene compounds, and catalyst systems prepared therefrom. These catalyst systems which have become obtainable for the first time are suitable for the polymerization of olefins. |
| 7109278 |
Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and |
September 19, 2006 |
| Organometallic transition metal compounds of the formula (I) where M.sup.1 is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides; X are identical or different and are each halogen, hydrogen, C.sub.1 C.sub.20-alkyl, C.sub.2 C.sub.20-alkenyl, C.sub.6 |
| 7105690 |
Method for producing transition metal compounds and their use for the polymerization of olefins |
September 12, 2006 |
| The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to their use for the polymerization of olefins. |
| 7101940 |
Chemical compound, method for the production thereof and its use in catalyst systems for produci |
September 5, 2006 |
| The invention relates to a chemical compound of formula (I), wherein M.sup.1 represents an element selected from main groups II, III or IV of the periodic table of elements; x is equal to 1, 2, 3 or 4; y is equal to 2, 3 or 4, and; A represents a cation of main group V of the periodic |
| 7049453 |
"Constrained geometry" metallocenes, method for the production thereof and use of the same for t |
May 23, 2006 |
| The present invention relates to a process for preparing specific transition metal compounds, novel transition metal compounds and also catalyst systems and their use for the homo- or copolymerization of olefins. |
| 7034173 |
Chemical products suited for use as co-catalysts, method for the preparation thereof and their u |
April 25, 2006 |
| The invention relates to chemical products which are suited for use as co-catalysts and which can be obtained by reacting a compound of formula (I), M.sup.1R.sup.1R.sup.2(R.sup.3).sub.m with a compound of formula (II), (R.sup.4X).sub.q-(G)*(M.sup.2R.sup.5R.sup.6).sub.g. In formula (I), |
