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Inventor

Walter H. Bortle, Jr.

Inventor
Cochranville, PA, US

Overview

3→
Patents
1993–2005
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation25%
C01BNon-metallic elements25%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium25%
C02FTreatment of water, waste water, sewage, or sludge25%
PatentTitleYear
6,855,306'Process for the recovery of sodium nitrite'20055,558,772'Stable nitrite solutions'19965,266,296'Cocurrent flow process for the manufacture of sodium sulfite and bisulfite solutions'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to GEN CHEMICAL CORP (2)· patent assignee history
1993–2005Based in Cochranville, PA, US· patent location history
1996Based in Chester, PA, US· patent location history
2005Patents assigned to GEN CHEMICAL PERFORMANCE PRODU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN CHEMICAL CORP21993–1996
GEN CHEMICAL PERFORMANCE PRODU12005
Locations
LocationPatentsSpan
Cochranville, Pennsylvania, US21993–2005
Chester, Pennsylvania, US11996