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Inventor

Frederick W. Southam

Inventor
Kingston, CA

Overview

7→
Patents
1978–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C22Bprimary
C22BProduction and refining of metals60%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C01BNon-metallic elements10%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%
PatentTitleYear
4,869,892'Methods of making fine particulate aluminum nitride'19894,261,736'Carbothermic production of aluminium'19814,226,618'Carbothermic production of aluminium'19804,224,054'Process for the production of aluminium'19804,224,055'Process for the production of aluminium'19804,213,599'Apparatus for the production of aluminium'19804,099,959'Process for the production of aluminium'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1981Patents assigned to ALCAN RES & DEV (6)· patent assignee history
1978Based in CA, US· patent location history
1980–1989Based in Kingston, CA· patent location history
1989Patents assigned to ALCAN INT LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCAN RES & DEV61978–1981
ALCAN INT LTD11989
Locations
LocationPatentsSpan
Kingston, CA61980–1989
California, US11978