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Evonik Oxeno Gmbh

USPTO Granted Patents = 40

CIPO Patents = 2

EPO Patents = 37

Forward Citations = 261

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74 inventors (with patents filed for the assignee):

Wilfried Bueschken (14 out of 41 patents)

Michael Grass (13 out of 44 patents)

Alfred Kaizik (12 out of 44 patents)

4. Franz Nierlich (11 out of 40 patents)

5. Dirk Fridag (8 out of 91 patents)

6. Dietrich Maschmeyer (8 out of 47 patents)

7. Klaus-Diether Wiese (8 out of 43 patents)

8. Hans-Gerd Lueken (7 out of 17 patents)

9. Markus Winterberg (6 out of 21 patents)

10. Silvia Santiago Fernandez (6 out of 7 patents)

11. Stephan Houbrechts (6 out of 8 patents)

12. Horst-Werner Zanthoff (5 out of 20 patents)

13. Dirk Roettger (5 out of 26 patents)

14. Dagmara Ortmann (5 out of 9 patents)

15. Robert Franke (4 out of 160 patents)

Core Competencies:

Supported Ionic Liquid Phase

Hydroformylation

Rhodium Separation

Isoolefins Production

Polyolefin Polymerization

Catalytic Hydrogenation

Microporous Catalysts

Alicyclic Polycarboxylic Esters

Benzoic Acid Esters

Dialkyl Terephthalates

Trivalent Organophosphorus Compounds

Carbonylation Method

40 patents: Sort by Forward Citations

1. 9018420 - Use of supported ionic liquid phase (SILP) catalyst systems in the hydroformylation of olefin-containing mixtures to aldehyde mixtures with a high content of aldehydes unbranched in the 2 position (2015-04-28),

2. 8748643 - Method for separation and partial return of rhodium and catalytically effective complex compounds thereof from process streams (2014-06-10),

3. 8729287 - Method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin (2014-05-20),

4. 8680356 - Catalyst and process for preparing isoolefins (2014-03-25),

5. 8633345 - Process for preparing isobutene by cleaving MTBE-containing mixtures (2014-01-21),

6. 8609878 - Method for producing 6-chlorodibenzo[D,F] [1 3,2]Dioxaphosphepin (2013-12-17),

7. 8604142 - Polyolefin gas phase polymerization with 3-substituted C4-10-alkene (2013-12-10),

8. 8586784 - Method for continuous catalytic hydrogenation (2013-11-19),

9. 8581008 - [object Object] (2013-11-12),

10. 8563782 - Producing α,β-unsaturated aldehydes by means of a reaction mixing pump (2013-10-22),

11. 8461394 - [object Object] (2013-06-11),

12. 8455701 - Method for producing decanols by means of hydrogenating decenals (2013-06-04),

13. 8431638 - Citric ester mixtures and their use (2013-04-30),

14. 8415520 - Work-up of a 3-methyl-1-butene-containing mixture (2013-04-09),

15. 8404902 - [object Object] (2013-03-26),

Evonik Oxeno GmbH is a subsidiary of Evonik Industries AG, a global leader in specialty chemicals. Evonik Oxeno specializes in the production of acetylene derivatives and is renowned for its expertise and innovative solutions. With a strong focus on sustainability and technological advancements, Evonik Oxeno continuously seeks to drive progress in the chemical industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

40 Patents

#6 in Marl

#1,300 in Germany

#16,570 in the World

Evonik Oxeno Gmbh

Forward Citations = 261

74 inventors:

Wilfried Bueschken (14 out of 41 patents)

Michael Grass (13 out of 44 patents)

Alfred Kaizik (12 out of 44 patents)

4. Franz Nierlich (11 out of 40 patents)

5. Dirk Fridag (8 out of 91 patents)

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