Inventor

Thomas Engels

Inventor
Frechen, DE

Overview

7→
Patents
1994–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds14%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C11DDetergent compositions14%
A61KPreparations for medical, dental or toiletry purposes10%
A61QSpecific use of cosmetics or similar toiletry preparations10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08JWorking-up5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to HENKEL KGAA (4)· patent assignee history
1994–2001Based in Frechen, DE· patent location history
1999Patents assigned to HENKEL KOMMAIDITGESELLSCHAFT A (1)· patent assignee history
2001Patents assigned to COGNIS DEUTSCHLAND GMBH (2)· patent assignee history
2001Based in Duesseldorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL KGAA41994–1998
COGNIS DEUTSCHLAND GMBH22001
HENKEL KOMMAIDITGESELLSCHAFT A11999
Locations
LocationPatentsSpan
Frechen, DE61994–2001
Duesseldorf, DE12001