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Inventor

Heinz Kohl

Inventor
Rodenbach, DE

Overview

2→
Patents
1990–2001
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.

A23Kprimary
A23KFodder20%
C07CAcyclic or carbocyclic compounds20%
C21DModifying the physical structure of ferrous metals20%
C22CAlloys20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
6,184,414'Process for producing ammonium-2-hydroxy-4-(methylthio)-butyrate, mixtures containing the same in liquid form and their use'20014,919,728'Method of manufacturing nonmagnetic drilling string components'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to VER EDELSTAHLWERKE AG (1)· patent assignee history
1990Based in Ternitz, AT· patent location history
2001Patents assigned to DEGUSSA (1)· patent assignee history
2001Based in Rodenbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEGUSSA12001
VER EDELSTAHLWERKE AG11990
Locations
LocationPatentsSpan
Rodenbach, DE12001
Ternitz, AT11990