J. Michael Sierakoski

Follow

Person

Tucson, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ammonium thiosulfate complex of gold or silver and an amine
- Patent number 6,197,214
- Issue date Mar 6, 2001
- Henkel Corporation
- Michael J. Virnig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of toxic cyanide and heavy metal species fr...
- Patent number 5,968,364
- Issue date Oct 19, 1999
- Henkel Corporation
- Michael J. Virnig
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the recovery of precious metal values from aqueous ammo...
- Patent number 5,939,034
- Issue date Aug 17, 1999
- Henkel Corporation
- Michael J. Virnig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of toxic cyanide and heavy metal species fr...
- Patent number 5,522,997
- Issue date Jun 4, 1996
- COGNIS, Inc.
- Michael J. Virnig
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Solvent extraction
- Patent number 4,544,532
- Issue date Oct 1, 1985
- Henkel Corporation
- Gary A. Kordosky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...