| Patent Number |
Title Of Patent |
Date Issued |
| 7348388 |
Copolymers of olefins and vinyl- and allylsilanes |
March 25, 2008 |
| Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to silicon which are hy |
| 7041764 |
Copolymerization of olefins |
May 9, 2006 |
| Ethylene and/or propylene, and .alpha.-olefins may be copolymerized by contacting then with certain iron or cobalt complexes of selected 2,6-pyridinecarboxaldehydebis(imines) and 2,6-diacylpyridinebis(imines). The polymers produced, some of which are novel, are useful as molding resi |
| 6933359 |
Copolymerization of ethylene and dienes |
August 23, 2005 |
| Ethylene, dienes and optionally .alpha.-olefins are copolymerized by selected iron complexes of 2,6-pyridinecarbox-aldehydebis(imines) and 2,6-diacylpyridinebis(imines). The resulting copolymers contain residual olefinic unsaturation from the diene monomers, and some of these copolym |
| 6897275 |
Catalysts for olefin polymerization |
May 24, 2005 |
| Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are polymerization catalysts for the (co)polymerization of olefi |
| 6894134 |
.alpha.-olefins and olefin polymers and processes therefor |
May 17, 2005 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
| 6699955 |
Copolymerization of ethylene and dienes |
March 2, 2004 |
| Ethylene, dienes and optionally .alpha.-olefins are copolym-erized by selected iron complexes of 2,6-pyridinecarbox-aldehydebis(imines) and 2,6-diacylpyridinebis(imines). The resulting copolymers contain residual olefinic unsaturation from the diene monomers, and some of these copoly |
| 6689910 |
Polymerization of olefins |
February 10, 2004 |
| Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting |
| 6670433 |
Polymers of substituted cyclopentenes |
December 30, 2003 |
| Substituted cyclopentenes, such as alkyl cyclopentenes, are polymerized by selected .alpha.-imine complexes of nickel and palladium. The polymers are useful as molding resins or elastomers. Also disclosed herein are novel catalysts for the polymerization of cyclopentenes to form novel hi |
| 6605679 |
Polymerization of olefins |
August 12, 2003 |
| Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting |
| 6573353 |
.alpha.-olefins and olefin polymers and processes therefor |
June 3, 2003 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
| 6495646 |
Polyolefins with new structures |
December 17, 2002 |
| Polyolefins with unique highly branched structures, and which have unusually low Mark-Houwink constants are described. They are useful for instance as elastomers, viscosity index modifiers and lubricating oil bases. |
| 6482907 |
Polymerization of olefins |
November 19, 2002 |
| Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting |
| 6310163 |
.alpha.-olefins and olefin polymers and processes therefor |
October 30, 2001 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
| 6258908 |
Polymers of substituted cyclopentenes |
July 10, 2001 |
| Substituted cyclopentenes, such as alkyl cyclopentenes, are polymerized by selected .alpha.-imine complexes of nickel and palladium. The polymers are useful as molding resins or elastomers. Also disclosed herein are novel catalysts for the polymerization of cyclopentenes to form novel hi |
| 6100350 |
Branched polymer synthesis |
August 8, 2000 |
| This invention relates to a process for the synthesis of addition polymers containing branches upon branches and having a polymerizable olefin end group by a convenient one-pot copolymerization of selected vinyl monomers with chain polymerization initiators and a method to provide olefin |
| 5916989 |
Polymers of C.sub.4 and higher .alpha.-olefins |
June 29, 1999 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
| 5891963 |
.alpha.-olefins and olefin polymers and processes therefor |
April 6, 1999 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
| 5880241 |
Olefin polymers |
March 9, 1999 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
| 5866663 |
Processes of polymerizing olefins |
February 2, 1999 |
| Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-cat |
