| Patent Number |
Title Of Patent |
Date Issued |
| 7335716 |
Ethylene (co)polymers and uses thereof |
February 26, 2008 |
| An ethylene (co)polymer of the present invention is a (co)polymer with excellent moldability and mechanical properties and either an ethylene homopolymer or a copolymer of ethylene and an .alpha.-olefin of 4 to 20 carbon atoms. The (co)polymer has methyl branches measured by .sup.13C |
| 7312284 |
Process for producing polar olefin copolymer and polar olefin copolymer obtained thereby |
December 25, 2007 |
| A process for producing a polar olefin copolymer comprises copolymerizing a non-polar olefin and a polar olefin in the presence of a transition metal compound selected from Groups 4, 5, 6 and 11 of the periodic table, which is represented by the following formula (IV): ##STR00001## wher |
| 7300903 |
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization |
November 27, 2007 |
| The invention provides a process using olefin polymerization catalysts exhibiting excellent polymerization activities. The olefin polymerization catalysts of the invention contain a transition metal compound typified by formula (I) and at least one of an organometallic compound, an o |
| 7253132 |
Magnesium-containing carrier components and application thereof to olefin polymerization |
August 7, 2007 |
| Solid fine particles which contain a magnesium atom, an aluminum atom and a C.sub.1-20 alkoxy group simultaneously, are insoluble in a hydrocarbon solvent, and have an average particle diameter of 3 to 80 .mu.m, and an olefin polymerization catalyst containing the solid fine particles an |
| 7109284 |
Olefin polymerization catalyst, process for polymerizing olefins, ethylene polymer obtained by s |
September 19, 2006 |
| The present invention provides a novel olefin polymerization catalyst having excellent olefin polymerization activity and, in polymerization with the catalyst comprising a transition metal compound, a polymerization process for preparing a polymer having a low molecular weight with h |
| 7053159 |
Process for producing polar olefin copolymer and polar olefin copolymer obtained thereby |
May 30, 2006 |
| A process for producing a polar olefin copolymer comprises copolymerizing a non-polar olefin and a polar olefin in the presence of a transition metal compound selected from Groups 4, 5, 6 and 11 of the periodic table, which is represented by the following formula (IV): ##STR00001## wher |
| 7022766 |
Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil compos |
April 4, 2006 |
| The present invention provides an olefin block copolymer for a viscosity index improver capable of preparing a lubricating oil composition having excellent low temperature properties and excellent balance between viscosity and shear stability, a viscosity index improver and a lubrica |
| 7009014 |
Process for the polymerization olefins |
March 7, 2006 |
| A process for polymerizing an olefin is capable of polymerizing an olefin with excellent polymerization activity, and comprises polymerizing or copolymerizing an olefin at a polymerization reaction temperature of 50 to 200.degree. C. in the presence of a catalyst comprising a transition |
| 6995229 |
Polymer and process for producing the same |
February 7, 2006 |
| The present invention relates to a polymer having a melt tension (MT (g)) substantially the same as or lower than that of a conventional polymer which is substantially the same as the polymer in the recurring unit of the main skeleton, the molecular weight, the molecular weight distr |
| 6897176 |
Olefin polymerization catalyst and process for producing olefin polymer with the catalyst |
May 24, 2005 |
| A novel olefin polymerization catalyst is provided which comprises (A) a transition metal compound or lanthanoid compound containing two or more atoms selected from the group consisting of boron, nitrogen, oxygen, phosphorus, sulfur, and selenium; and (B) a Lewis acid. A process for |
| 6875718 |
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization |
April 5, 2005 |
| The invention provides olefin polymerization catalysts exhibiting excellent polymerization activities, a process for olefin polymerization using the catalysts, a novel transition metal compound useful for the catalysts, and .alpha.-olefin/conjugated diene copolymers having specific prope |
| 6838540 |
Olefin polymer and production processes thereof |
January 4, 2005 |
| The present invention provides an olefin polymer having a narrow molecular weight distribution and a specific molecular weight, an olefin polymer having a functional group introduced at the terminal, a tapered polymer containing a segment wherein monomer composition continuously changes |
| 6770723 |
.alpha.-olefin/conjugated diene copolymers |
August 3, 2004 |
| The invention provides olefin polymerization catalyst exhibiting excellent polymerization activities, a process for olefin polymerization using the catalyst, a novel transition metal compound useful for the catalyst, and an .alpha.-olefin/conjugated diene copolymer having specific proper |
| 6593266 |
Olefin polymerization catalyst and polymerization process |
July 15, 2003 |
| An olefin polymerization catalyst having an excellent polymerization activity and an olefin polymerization process using the catalyst are disclosed. The olefin polymerization catalyst comprises (A) a transition metal compound represented by, for example, the following formula (I) and |
| 6476276 |
Process for preparation of hydroperoxides |
November 5, 2002 |
| A process for preparing hydroperoxides which comprises oxidizing hydrocarbon by a gas containing oxygen in the presence of a specific compound and converting them selectively to corresponding hydroperoxides.The specific compound is the compound that can capture radicals. The preferable e |
| 6462136 |
Ethylene copolymer and process for producing the same, resin composition containing the copolyme |
October 8, 2002 |
| The present invention is intended to provide an ethylene copolymer having excellent mechanical properties and moldability, a process for preparing the copolymer, a resin composition containing the copolymer and uses thereof. The ethylene copolymer has the following properties: the co |
| 6459005 |
Ethylene/.alpha.-olefin copolymer, method for producing the same, and use thereof |
October 1, 2002 |
| The present invention intends to provide an ethylene/.alpha.-olefin copolymer of specific structure, exhibiting excellent performance as a lubricant oil additive, capable of having various functional groups in high ratio, and serviceable as raw material for various solubilizing agent |
| 6451728 |
Olefin polymerization catalyst and process for olefin polymerization |
September 17, 2002 |
| The present invention provides an olefin polymerization catalyst by the use of which an olefin (co)polymer can be obtained with a high polymerization activity, and also provides a process for olefin polymerization using the catalyst. The olefin polymerization catalyst comprises a transit |
| 6444603 |
CATALYST COMPONENT FOR ETHYLENICALLY UNSATURATED MONOMER POLYMERIZATION, CATALYST FOR ETHYLENICA |
September 3, 2002 |
| The invention relates to a catalyst component which can provide, in combination with a transition metal compound, a catalyst for ethylenically unsaturated monomer polymerization, a catalyst comprising the catalyst component and a transition metal compound, and a process for ethylenically |
| 6399724 |
Catalyst for olefin polymerization and method of polymerizing olefin |
June 4, 2002 |
| The present invention is intended to provide an olefin polymerization catalyst comprising a novel transition metal compound and having an excellent olefin polymerization activity and to provide a process for olefin polymerization. |
| 6369177 |
Catalyst for olefin polymerization and method of polymerizing olefin |
April 9, 2002 |
| The present invention is intended to provide an olefin polymerization catalyst exhibiting excellent olefin polymerization activity and capable of producing polyolefins of excellent properties and to provide a process for olefin polymerization using this catalyst. The olefin polymerizatio |
| 6313243 |
Catalyst for olefin polymerization and method of polymerizing olefin |
November 6, 2001 |
| The present invention is intended to provide an olefin polymerization catalyst exhibiting excellent olefin polymerization activity and capable of producing polyolefins of excellent properties and to provide a process for olefin polymerization using this catalyst. The olefin polymerizatio |
| 6309997 |
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization |
October 30, 2001 |
| The invention provides olefin polymerization catalyst exhibiting excellent polymerization activities, a process for olefin polymerization using the catalyst, a novel transition metal compound useful for the catalyst, and an .alpha.-olefin/conjugated diene copolymer having specific proper |
| 6303727 |
Linear triene compound and copolymer |
October 16, 2001 |
| A novel and useful linear triene compound represented by the following formula (1) is co-polymerized with an .alpha.-olefin to obtain an ethylenically unsaturated copolymer which is superior in weather-ability, heat resitance and fastness to ozone, together with superior scorch stabi |
| 6291718 |
Process for preparing hydroperoxides |
September 18, 2001 |
| A process for preparing hydroperoxides which comprises oxidizing hydrocarbon by a gas containing oxygen in the presence of a specific compound and converting them selectively to corresponding hydroperoxides. The specific compound is the compound that can capture radicals. The prefera |
| 6255419 |
Olefin polymerization catalyst and process for producing olefin polymers |
July 3, 2001 |
| The present invention provides olefin polymerization catalysts which can produce olefin polymers with excellent polymerization activity and an olefin polymerization method using the catalyst, wherein the catalyst comprises a transition metal amide compound represented by general formula |
| 6028193 |
Method for producing aryl aklyl hydroperoxides |
February 22, 2000 |
| A method for producing aryl alkyl hydroperoxides which comprises selectively oxidizing an aryl alkyl hydrocarbon having the formula: ##STR1## wherein P and Q are hydrogen or an alkyl and may be the same or different from each other; x is an integer of 1-3; and Ar is an aromatic hydro |
| 5945572 |
Method for producing aryl alkyl hydroperoxides |
August 31, 1999 |
| A method for producing aryl alkyl hydroperoxides which comprises selectively oxidizing an aryl alkyl hydrocarbon having the formula: ##STR1## wherein P and Q are hydrogen or an alkyl and may be the same or different from each other; x is an integer of 1-3; and Ar is an aromatic hydro |
| 5859272 |
Transition metal compound, olefin polymerization catalyst component comprising the transition me |
January 12, 1999 |
| Disclosed is a novel transition metal compound represented by the following formula: ##STR1## wherein M is a transition metal, X is halogen or the like, R.sup.1 is a hydrocarbon group or the like, R.sup.2 is an aryl group substituted with a halogenated hydrocarbon group, and Y is |
| 5847227 |
Method for producing aryl alkyl hydroperoxides |
December 8, 1998 |
| A method for producing aryl alkyl hydroperoxides which comprises selectively oxidizing an aryl alkyl hydrocarbon having the formula: ##STR1## wherein P and Q are hydrogen or an alkyl and may be the same or different from each other; x is an integer of 1-3; and Ar is an aromatic hydro |
| 5723640 |
Transition metal compound having indenyl-containing metallocene |
March 3, 1998 |
| The novel transition metal compound of the invention is represented by the following formula (I): ##STR1## wherein M is a transition metal; R.sup.1 is a hydrocarbon group of 2 to 6 carbon atoms, R.sup.2 is an aryl group of 6 to 16 carbon atoms; X.sup.1 and X.sup.2 are each a halo |
| 5710223 |
Process for polymerizing propylene by using a novel metallocene catalyst |
January 20, 1998 |
| A process for polymerizing propylene utilizes a metallocene catalyst component of the formula (I) ##STR1## wherein M is a transition metal, R.sup.1 is a C.sub.2-6 hydrocarbon, R.sup.2 is a C.sub.6-16 aryl group, X.sup.1 and X.sup.2 are each a halogen atom and Y is a divalent hydr |
| 5658997 |
Process for polymerizing propylene by using a novel metallocene catalyst |
August 19, 1997 |
| The novel transition metal compound of the invention is represented by the following formula (I): ##STR1## wherein M is a transition metal; R.sup.1 is a hydrocarbon group of 2 to 6 carbon atoms, R.sup.2 is an aryl group of 6 to 16 carbon atoms; X.sup.1 and X.sup.2 are each a halo |
| 5629254 |
Substituted indenyl ring containing metallocene catalyst for propylene polymerization process |
May 13, 1997 |
| The novel transition metal catalyst of the invention is represented by the following formula (I): ##STR1## wherein M is a zirconium or hafnium; R.sup.1 is a hydrocarbon group of 2 to 6 carbon atoms, R.sup.2 is an aryl group of 6 to 16 carbon atoms; X.sup.1 and X.sup.2 are each a |
| 5616663 |
Transition metal compound, olefin polymerization catalyst component comprising the transition me |
April 1, 1997 |
| Disclosed is a novel transition metal compound represented by the following formula: ##STR1## wherein M is a transition metal, X is halogen or the like, R.sup.1 is a hydrocarbon group or the like, R.sup.2 is an aryl group substituted with a halogenated hydrocarbon group, and Y is |
| 5254766 |
Process for producing alkyl-substituted aromatic hydrocarbon using heteropolyacid salts |
October 19, 1993 |
| A process for producing an alkyl-substituted aromatic hydrocarbon, which comprises alkylating an aromatic hydrocarbon with an alkylating agent in the presence of a heteropoly-acid or a salt thereof such as phosphorus tungstate and silicon tungstate as a catalyst. The process is particula |
| 5210065 |
Color-forming recording material |
May 11, 1993 |
| A color-forming recording material containing:(a) an aromatic diamine,(b) an oxidizing agent such as a quinoid type electron-accepting compound, and(c) an acidic substance such as an aromatic carboxylic acid. |
| 4582944 |
Process for producing hydroxydiphenyl ethers |
April 15, 1986 |
| A process for producing a hydroxydiphenyl ether, which comprises reacting at least one hydroquinone compound with itself or with a monohydric phenol compound in the presence of a catalyst composed essentially of a synthetic mica in which at least 10 mole % of cation-exchangeable interlay |
