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Inventor:
Fritze; Cornelia
Address:
Frankfurt, DE
No. of patents:
18
Patents:












Patent Number Title Of Patent Date Issued
7241903 Metallocenes, use in catalyst system for producing olefin polymers July 10, 2007
A metallocene compound of formula (I): wherein M is zirconium, titanium and hafnium; X is a hydrogen atom, a halogen atom or a hydrocarbon radical; R.sup.1 is a linear C.sub.1-C.sub.20-alkyl radical; R.sup.2 is a hydrogen atom or hydrocarbon R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7,
7202190 Supported catalyst system for the polymerization of olefins April 10, 2007
A supported catalyst system for polymerizing olefins comprisinga) a support,b) a Lewis base of the formula M.sup.3R.sup.6R.sup.7R.sup.8 (I) wherein M.sup.3 is an element of main group III of the Periodic Table of the Elements, c) an organometallic compound of the formula II as co
6953829 Catalyst system and the use thereof October 11, 2005
A catalyst system comprising at least one metallocene, at least one cocatalyst, at least one support material and, if desired, further organometallic compounds is described.The catalyst system can advantageously be used for the polymerization of olefins and displays a high catalyst activ
6576723 Catalyst system and its use for the polymerization of propylene June 10, 2003
A catalyst system which can be used in the polymerization of propylene comprises at least one metallocene as a rac/meso isomer mixture, at least one organoboroaluminum compound, at least one passivated support, at least one Lewis base and, if desired, at least one further organometallic
6537943 Catalyst system composed of metallocenes comprising substituents containing fluorine March 25, 2003
The invention relates to a catalyst system composed of metallocenes comprising substituents containing fluorine, a method for producing said system and its use for the polymerization of olefins.
6500908 Catalyst system December 31, 2002
A catalyst system comprises a) a cocatalytically active chemical compound A, b) at least one metallocene B and c) an aluminum compound C.
6482902 Catalyst system November 19, 2002
The present invention relates to a catalyst system comprising metallocene, cocatalyst, support material and, if desired, further organometallic compounds. The catalyst system can advantageously be used for the polymerization of olefins, where the use of aluminoxanes such as methylalu
6437187 Compounds having an ionic structure used as constituent of an olefin polymerization catalyst August 20, 2002
Novel chemical compounds have an ionic structure and in combination with an organometallic transition metal compound form a catalyst system which is advantageously used for the polymerization of olefins.
6410665 Chemical compound June 25, 2002
The present invention relates to a catalyst system containing (a) at least one compound of the formula (II): ##STR1##where R are each a halogen or a C.sub.1-40 group; X are each a C.sub.1-40 haloalkylene, C.sub.6-40 arylene, C.sub.6-40 haloarylene, C.sub.7-40 arylalkylene, C.sub.7-40
6391989 Catalyst system, method for producing same and its use for the polymerization of olefins May 21, 2002
A catalyst system comprisinga) at least one support,b) at least one metallocene andc) at least one compound of the formula (I) ##STR1## whereM.sup.1 is an element of group IIa, IIIa, IVa or Va of the Periodic Table of the Elements,x is 0 or 1,y is 0 or 1,z is 0 or 1,A is a cation of group Ia
6350830 Catalyst system, method for the production thereof and its use for the polymerization of olefins February 26, 2002
A catalyst system in which the ratio of rac isomer to meso isomer of the metallocene is from 1:10 to 2:1 can be used for the polymerization of olefins.
6329313 Covalently supported chemical compound which can be neutral or ionic in the claims December 11, 2001
The present invention relates to a supported chemical compound of the formula (I) ##STR1##in whichA.sup.c+ is a cation,c is an integer from 1 to 10,b is an integer .gtoreq.0,T is a support,y is an integer .gtoreq.1,a is an integer from 0 to 10, where a.multidot.y=c.multidot.b, andN is a unit
6177526 Supported catalyst system, process for its preparation and its use for the polymerization of ole January 23, 2001
The present invention relates to a supported catalyst system which comprises at least one metallocene component and at least one cocatalyst component and at least one modified inorganic oxide of silicon, aluminum or mixtures thereof, wherein the modified oxide contains organic silicon
6177376 Process for preparing a metallocene catalyst system January 23, 2001
The present invention relates to a process for preparing a metallocene catalyst system, which comprises reacting a metallocene starting compound in a solvent with a compound capable of transferring hydrocarbon radicals and converting the resulting metallocene compound which is .sigma
6124231 Supported catalyst system, processes for its preparation, and its use for the polymerization of September 26, 2000
The present invention relates to a supported composition, to processes for its preparation and to its use for polymerizing olefins. The supported catalyst composition comprises at least one transition metal compound of subgroup 3, 4 or 5 of the ##STR1## Periodic Table of the Elem
6114556 Metallocene compound and its use as catalyst component September 5, 2000
Metallocene compound and its use as catalyst component The present invention relates to a multinuclear metallocene compound of the formula I, ##STR1## where M.sup.1 is a tetravalent metal, L.sup.1 are, independently of one another, identical or different and are each a substituted
5962359 Metallocene compound and its use as catalyst component October 5, 1999
The present invention relates to a multinuclear metallocene compound of the formula I, ##STR1## where M.sup.1 is a tetravalent metal, L.sup.1 are, independently of one another, identical or different and are each a substituted cyclopentadienyl group, L.sup.2 and L.sup.3 are, inde
5807936 Transition metal compound September 15, 1998
The present invention relates to a transition metal compound of the formula IwhereM is a metal atom of group IIIb, IVb, Vb or VIb of the Periodic Table of the Elements,L are identical or different and are each a .pi.-ligand or an electron donor, n is 1, 2, 3 or 4,Y are identical or diffe










 
 
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