Inventor

Arthur R. Henn

Inventor

Creve Coeur, MO, US

Overview

4→

Patents

1986–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C01Gprimary

C01GCompounds containing metals not covered by subclasses c01d or c01f19%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%

C22BProduction and refining of metals19%

Y02PClimate change mitigation technologies in the production or processing of goods19%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

H01BCables6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

5,393,928'Shielded cable assemblies'1995 4,975,253'Solvent extraction of nickel using hydroxamic acids'1990 4,882,132'Solvent extraction of cobalt using hydroxamic acids'1989 4,567,284'Cobalt complex of N-alkylalkanohydroxamic acid'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1995Patents assigned to MONSANTO CO (4)· patent assignee history

1986–1990Based in Creve Coeur, MO, US· patent location history

1995Based in St. Louis, MO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MONSANTO CO	4	1986–1995

Locations

Location	Patents	Span
Creve Coeur, MO, US	3	1986–1990
St. Louis, MO, US	1	1995