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Inventor

Stefan Kempka

Inventor
Essen, DE

Overview

2→
Patents
2013–2015
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.

B01Dprimary
B01DSeparation25%
C01BNon-metallic elements25%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%
C09KMaterials for miscellaneous applications, not provided for elsewhere25%
PatentTitleYear
8,932,478'Process for the absorption of a volatile substance in a liquid absorbent'20158,580,225'Use of hydrophilic organomodified siloxanes as a processing aid for melt granulation'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2015Patents assigned to KEMPKA STEFAN (2)· patent assignee history
2013Patents assigned to EVONIK GOLDSCHMIDT GMBH (1)· patent assignee history
2013Patents assigned to GIESSLER-BLANK SABINE (1)· patent assignee history
2013–2015Based in Essen, DE· patent location history
2015Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
2015Patents assigned to GLÖCKLER BERND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KEMPKA STEFANself22013–2015
EVONIK DEGUSSA GMBH12015
EVONIK GOLDSCHMIDT GMBH12013
GIESSLER-BLANK SABINE12013
GLÖCKLER BERND12015
Locations
LocationPatentsSpan
Essen, DE22013–2015