Inventor

VIRNIG MICHAEL J

US57 patents

⚠️ This page may combine multiple inventors who share the name “VIRNIG MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VIRNIG MICHAEL J

HENKEL CORP

Process for extracting and recovering copper

Recovery of precious metal

Water insoluble composition of an aldoxime extractant and an equilibrium modifier

Beta-diketones for the extraction of copper from aqueous ammoniacal solutions

Copper recovery process

Ammonium thiosulfate complex of gold or silver and an amine

Process for the recovery of nickel

Process for the recovery of precious metal values from aqueous ammoniacal thiosulfate leach solutions

Method for recovering copper

Method for recovery of polymers

Recovery of precious metals

Recovery of precious metals

Recovery of precious metals

Nickel recovery process and compositions for use therein

Process for removing lead from sandblasting wastes containing paint chips

Process for removing heavy metals from soil

Method and apparatus for removing metal contamination from soil

Process for the recovery of gold

Recovery of precious metal

Process of preparing hydroxyarylaldehydes and catalyst therefor

Process of recovery of metals from aqueous ammoniacal solutions employing an ammonia antagonist having only hydrogen bond acceptor properties

Process for the removal of toxic cyanide and heavy metal species from alkaline solutions

Process for recovery of amino acids from aqueous mixtures

Process for recovery of an amino acid from aqueous mixtures thereof

Acryloxymethyl substituted fatty compounds

Process for removing manganese from organic solutions of oximes and nickel ore treatment process

Reoximation of metal extraction circuit organics

Hydroformylation of olefinic compounds in the presence of a cobalt catalyst and an organic nitrile promoter

Benzene sulfonamido pyrimidine derivatives

Benzene sulfonamido pyridine derivatives

Process for extraction of metals from aqueous ammoniacal solutions with beta-diketone extractants while maintaining a voltage potential to control entrainment of the aqueous layer into the organic layer

COGNIS CORP

Processes for the recovery of copper from aqueous solutions containing nitrate ions

Processes for the recovery of copper from aqueous solutions containing nitrate ions

Processes for the recovery of copper from aqueous solutions containing nitrate ions

Solvent extraction processes for metal recovery

Process for recovery of metals from metal-containing ores

Antimisting agents

Solvent extraction process

Dust control

Concentrated solutions of oxime metal extractants and method of formulating extractant compositions therefrom

COGNIS INC

Process for removing heavy metals from paint chips

Method and apparatus for removing metal contamination from soil

Process for the removal of toxic cyanide and heavy metal species from alkaline solutions

HENKEL RESEARCH CORP

Process of extracting anions with quaternary amines

Recovery of precious metal

Process for isomerizing epoxides to ketones

HENKEL KGAA

Process for ozonization of unsaturated organic compounds

(unassigned)

Process for removing mercury from soil

COGNIS IP MAN GMBH

Highly-conductive copper extractant formulations

GEN MILLS CHEM INC

Substituted 8-sulfonamidoquinolines