Michael J Virnig

Inventor

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Work History

Patent OwnerApplications FiledYear
COGNIS IP MANAGEMENT GMBH
1
1
1
2
2
4
2
6
6
2
2
1
2
1990
1991
1992
1993
1996
1997
1998
1999
2001
2002
2003
2005
2007
HENKEL CORPORATION
1
1
1
4
1
1
1977
1978
1980
1985
1986
1988
COGNIS CORPORATION
1
1
1
1
1
2
2
4
1
1
1
3
1
1
1982
1986
1988
1989
1992
1993
1994
1995
1996
1998
1999
2001
2003
2004
HENKEL KGAA
1
1988
Henkel Research Corporation
1
2
1
1989
1990
1991

Inventor Addresses

AddressDuration
1105 Lanewood Way, Santa Rosa, CA 95404Jul 28, 98 - Jul 28, 98
Fridley, MNJul 01, 80 - Feb 12, 91
Roseville, MNJun 24, 80 - Jun 24, 80
Santa Rosa, CAJul 10, 90 - Apr 28, 98
Tucson, AZAug 26, 97 - Feb 14, 08
Tucson, AZ, USOct 18, 01 - Sep 08, 09

Technology Profile

Technology Matters
B01D: SEPARATION 9
B03B: SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 1
C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF 6

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
75854752009Highly-conductive copper extractant formulations6
2008/0035,8932008Highly-conductive copper extractant formulations6
2006/0192,1752006Low viscosity copper solvent extraction reagent formulations4
2006/0117,9082006Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials17
70258992006Concentrated solutions of oxime metal extractants and method of formulating extractant compositions therefrom2

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