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Inventor

William C. Sleppy

Inventor
New Kensington, PA, US

Overview

2→
Patents
1976–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation25%
C10GCracking hydrocarbon oils25%
C10MLubricating compositions25%
C25CProcesses for the electrolytic production, recovery or refining of metals25%
PatentTitleYear
5,209,838'Purification of an oil-containing liquid using a surface treated permeable inorganic membrane'19933,951,763'Aluminum smelting temperature selection'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to ALUMINUM CO OF AMERICA (2)· patent assignee history
1976Based in Belleville, IL, US· patent location history
1993Based in New Kensington, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALUMINUM CO OF AMERICA21976–1993
Locations
LocationPatentsSpan
New Kensington, Pennsylvania, US11993
Belleville, Illinois, US11976