Inventor
J. Murdoch MacKenzie
Inventor
Gisborne, AU
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals27%
Y02PClimate change mitigation technologies in the production or processing of goods27%
B03DFlotation13%
C01GCompounds containing metals not covered by subclasses c01d or c01f13%
C02FTreatment of water, waste water, sewage, or sludge7%
C07CAcyclic or carbocyclic compounds7%
C25CProcesses for the electrolytic production, recovery or refining of metals7%
PatentTitleYear
6,231,784'Water insoluble composition of an aldoxime extractant and an equilibrium modifier'20016,210,647'Process of recovery of metals from aqueous ammoniacal solutions employing an ammonia antagonist having only hydrogen bond acceptor properties'20015,976,218'Process for the recovery of nickel'19995,968,364'Process for the removal of toxic cyanide and heavy metal species from alkaline solutions'19995,670,035'Method for recovering copper'19975,122,289'Collector composition for use in a froth flotation process for the recovery of minerals'19924,908,125'Froth flotation process for the recovery of minerals and a collector composition for use therein'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1992Patents assigned to HENKEL KGAA (2)· patent assignee history
1990–1992Based in Sandton, ZA· patent location history
1997–2001Patents assigned to HENKEL CORP (5)· patent assignee history
1997Based in Gisborne, NZ· patent location history
1999–2001Based in Gisborne, AU· patent location history
2001Based in Victoria, AU· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENKEL CORP | 5 | 1997–2001 |
| HENKEL KGAA | 2 | 1990–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gisborne, AU | 3 | 1999–2001 |
| Sandton, ZA | 2 | 1990–1992 |
| Victoria, AU | 1 | 2001 |
| Gisborne, NZ | 1 | 1997 |