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

Patent Owner(s)

Patent Owner	Address
CLARIANT INTERNATIONAL LTD	4132 MUTTENZ

International Classification(s)

• B03D:FLOTATION; DIFFERENTIAL SEDIMENTATION
• C07D:HETEROCYCLIC COMPOUNDS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
BICALHO, Leandro Seixas	Belo Horizonte, BR	3	0
DA, SILVA Wagner Claudio	São Paulo-SP, BR	12	12
GROSSMANN, Adriana	Mühldorf, DE	2	0
LEINWEBER, Dirk	Kelkheim, DE	66	222

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3.5 Year Payment	$1600.00	$800.00	$400.00	Sep 23, 2026
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Full Text

US Patent Application No: 2023/0091,787

Composition And Method For Use Of 1-Alkyl-5-Oxopyrrolidine-3-Carboxylic Acids As Collectors For Phosphate And Lithium Flotation

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