LexDanaLexDanabeta
Inventor

Joel P. Guptill

Inventor
Hamburg, NY, US

Overview

2→
Patents
1977–1988
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.

C01Bprimary
C01BNon-metallic elements50%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals50%
PatentTitleYear
4,781,909'Process for removing boron from sulfuric acid'19884,057,474'Electrolytic production of alkali metal hydroxide'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to ALLIED CHEM (1)· patent assignee history
1977Based in Griffith, IN, US· patent location history
1988Patents assigned to ALLIED SIGNAL INC (1)· patent assignee history
1988Based in Hamburg, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALLIED CHEM11977
ALLIED SIGNAL INC11988
Locations
LocationPatentsSpan
Hamburg, New York, US11988
Griffith, IN, US11977