LexDanaLexDanabeta
Inventor

Donald Roderick McKay

Inventor
Rossland, CA

Overview

3→
Patents
1976–1981
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C22Bprimary
C22BProduction and refining of metals22%
Y02PClimate change mitigation technologies in the production or processing of goods22%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs11%
B03DFlotation11%
C01BNon-metallic elements11%
PatentTitleYear
4,286,966'Process for the melting of sulfur'19814,024,218'Process for hydrometallurgical upgrading'19773,976,743'Treatment of zinc plant residue'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to COMINCO LTD (3)· patent assignee history
1976–1981Based in Rossland, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COMINCO LTD31976–1981
Locations
LocationPatentsSpan
Rossland, CA31976–1981