START UP METHODS FOR MULTIPLE CATALYST SYSTEMS
This invention provides a method to introduce multiple catalysts into a gas or slurry phase reactor. Preferably, the method includes the steps of introducing one or more olefins and a first catalyst and an activator into the reactor and allowing the olefins to polymerize, obtaining a polyolefin, int...
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| creator | MAWSON, SIMON SZUL, JOHN, F ERICKSON, KERSTEN, ANNE GOODE, MARK, G DANIELL, PAUL, T MCKEE, MATTHEW, G |
| description | This invention provides a method to introduce multiple catalysts into a gas or slurry phase reactor. Preferably, the method includes the steps of introducing one or more olefins and a first catalyst and an activator into the reactor and allowing the olefins to polymerize, obtaining a polyolefin, introducing a second catalyst and an optional activator into the first catalyst/activator composition, and thereafter introducing the combination into the reactor and allowing the olefins to polymerize. This invention further provides a method to introduce multiple catalysts into a gas or slurry phase reactor which includes introducing one or more olefins, a first catalyst and an activator, and a second catalyst and an optional activator into the reactor, wherein all the catalysts and activators are combined together prior to being introduced into the reactor. |
| format | Patent |
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Preferably, the method includes the steps of introducing one or more olefins and a first catalyst and an activator into the reactor and allowing the olefins to polymerize, obtaining a polyolefin, introducing a second catalyst and an optional activator into the first catalyst/activator composition, and thereafter introducing the combination into the reactor and allowing the olefins to polymerize. This invention further provides a method to introduce multiple catalysts into a gas or slurry phase reactor which includes introducing one or more olefins, a first catalyst and an activator, and a second catalyst and an optional activator into the reactor, wherein all the catalysts and activators are combined together prior to being introduced into the reactor.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2002</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020925&DB=EPODOC&CC=EP&NR=1242476A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020925&DB=EPODOC&CC=EP&NR=1242476A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MAWSON, SIMON</creatorcontrib><creatorcontrib>SZUL, JOHN, F</creatorcontrib><creatorcontrib>ERICKSON, KERSTEN, ANNE</creatorcontrib><creatorcontrib>GOODE, MARK, G</creatorcontrib><creatorcontrib>DANIELL, PAUL, T</creatorcontrib><creatorcontrib>MCKEE, MATTHEW, G</creatorcontrib><title>START UP METHODS FOR MULTIPLE CATALYST SYSTEMS</title><description>This invention provides a method to introduce multiple catalysts into a gas or slurry phase reactor. Preferably, the method includes the steps of introducing one or more olefins and a first catalyst and an activator into the reactor and allowing the olefins to polymerize, obtaining a polyolefin, introducing a second catalyst and an optional activator into the first catalyst/activator composition, and thereafter introducing the combination into the reactor and allowing the olefins to polymerize. This invention further provides a method to introduce multiple catalysts into a gas or slurry phase reactor which includes introducing one or more olefins, a first catalyst and an activator, and a second catalyst and an optional activator into the reactor, wherein all the catalysts and activators are combined together prior to being introduced into the reactor.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNALDnEMClEIDVDwdQ3x8HcJVnDzD1LwDfUJ8QzwcVVwdgxx9IkMDlEIBhKuvsE8DKxpiTnFqbxQmptBwc01xNlDN7UgPz61uCAxOTUvtSTeNcDQyMTIxNzM0dCYCCUAuf8lqA</recordid><startdate>20020925</startdate><enddate>20020925</enddate><creator>MAWSON, SIMON</creator><creator>SZUL, JOHN, F</creator><creator>ERICKSON, KERSTEN, ANNE</creator><creator>GOODE, MARK, G</creator><creator>DANIELL, PAUL, T</creator><creator>MCKEE, MATTHEW, G</creator><scope>EVB</scope></search><sort><creationdate>20020925</creationdate><title>START UP METHODS FOR MULTIPLE CATALYST SYSTEMS</title><author>MAWSON, SIMON ; SZUL, JOHN, F ; ERICKSON, KERSTEN, ANNE ; GOODE, MARK, G ; DANIELL, PAUL, T ; MCKEE, MATTHEW, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1242476A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2002</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>MAWSON, SIMON</creatorcontrib><creatorcontrib>SZUL, JOHN, F</creatorcontrib><creatorcontrib>ERICKSON, KERSTEN, ANNE</creatorcontrib><creatorcontrib>GOODE, MARK, G</creatorcontrib><creatorcontrib>DANIELL, PAUL, T</creatorcontrib><creatorcontrib>MCKEE, MATTHEW, G</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MAWSON, SIMON</au><au>SZUL, JOHN, F</au><au>ERICKSON, KERSTEN, ANNE</au><au>GOODE, MARK, G</au><au>DANIELL, PAUL, T</au><au>MCKEE, MATTHEW, G</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>START UP METHODS FOR MULTIPLE CATALYST SYSTEMS</title><date>2002-09-25</date><risdate>2002</risdate><abstract>This invention provides a method to introduce multiple catalysts into a gas or slurry phase reactor. Preferably, the method includes the steps of introducing one or more olefins and a first catalyst and an activator into the reactor and allowing the olefins to polymerize, obtaining a polyolefin, introducing a second catalyst and an optional activator into the first catalyst/activator composition, and thereafter introducing the combination into the reactor and allowing the olefins to polymerize. This invention further provides a method to introduce multiple catalysts into a gas or slurry phase reactor which includes introducing one or more olefins, a first catalyst and an activator, and a second catalyst and an optional activator into the reactor, wherein all the catalysts and activators are combined together prior to being introduced into the reactor.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | START UP METHODS FOR MULTIPLE CATALYST SYSTEMS |
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