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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
TOTAL PETROCHEMICALS FRANCE	4/8 COURS MICHELET F-92800 PUTEAUX

International Classification(s)

• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Desurmont, Guillaume	Kyoto, JP	2	1
# of filed Patents : 2 Total Citations : 1
Malinge, Jean	Loubieng, FR	26	100
# of filed Patents : 26 Total Citations : 100
Yasuda, Hajime	Higashihiroshima, JP	20	182
# of filed Patents : 20 Total Citations : 182

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• 0 Citation Count
• C08F Class

• 0 % this patent is cited more than
• 21 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 6730744

Method for copolymerization and resulting copolymers

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Abstract

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The invention concerns a method for preparing block copolymers comprising steps which consist in: polymerising a first monomer using an organolanthanide catalyst wherein said catalyst in the form of a hydride complex of a trivalent metal from the group of rare earths; then in polymerising at least a second monomer. The invention also concerns block copolymers whereof the blocks are polyolefins.

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Description

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