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Oxeno Olefinchemie Gmbh

USPTO Granted Patents = 79

% Expired Patents = 63.3

Forward Citations = 1,250

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98 inventors (with patents filed for the assignee):

Klaus-Diether Wiese (29 out of 43 patents)

Alfred Kaizik (25 out of 44 patents)

Wilfried Bueschken (23 out of 41 patents)

4. Franz Nierlich (17 out of 40 patents)

5. Cornelia Borgmann (14 out of 25 patents)

6. Dietrich Maschmeyer (12 out of 47 patents)

7. Dirk Roettger (12 out of 26 patents)

8. Dieter Hess (10 out of 48 patents)

9. Andreas Beckmann (10 out of 12 patents)

10. Michael Grass (9 out of 48 patents)

11. Axel Tuchlenski (9 out of 12 patents)

12. Wilfried Büschken (9 out of 12 patents)

13. Bernhard Scholz (9 out of 14 patents)

14. Dieter Reusch (8 out of 9 patents)

15. Detlef Selent (7 out of 30 patents)

Core Competencies:

Hydroformylation

Alicyclic Esters

Catalytic Processes

Olefins

Carboxylic Acids

Phosphine Compounds

Isobutene

Telomerization

Hydrogenation

Diisobutene

Oxo Aldehydes

79 patents: Sort by Forward Citations

1. 7745655 - Method for the preparation of biphosphites (2010-06-29),

2. 7683204 - Mixture of alicyclic polycarboxylic acid esters having high cis isomer content (2010-03-23),

3. 7638568 - Use of isononyl benzoate as a film-forming agent (2009-12-29),

4. 7632961 - Method for the production of alicyclic polycarboxylic acid esters from partial esters of aromatic polycarboxylic acids (2009-12-15),

5. 7611683 - Apparatus and process for the continuous reaction of a liquid with a gas over a solid catalyst (2009-11-03),

6. 7595421 - Tripentyl citrates and their use (2009-09-29),

7. 7569196 - Device for carrying out liquid reactions with fine-grained solid catalysts and method for the use thereof (2009-08-04),

8. 7541506 - Method for the telomerisation of non-cyclic olefins (2009-06-02),

9. 7524997 - Process for the hydrogenation of oxo aldehydes having high ester contents (2009-04-28),

10. 7495133 - Method for hydroformylating olefins in the presence of organophosphoric compounds (2009-02-24),

11. 7473812 - [object Object] (2009-01-06),

12. 7473808 - Process for preparing ethyl tert-butyl ether using ethanol dewatered by a membrane process (2009-01-06),

13. 7462745 - Method for the production of 2,7-octadienyl derivatives (2008-12-09),

14. 7439413 - Method for the production of isobutene from commericial methyl tert-butly ether (2008-10-21),

15. 7435848 - Method for preparing alicyclic carboxylic acids and their esters (2008-10-14),

Company Overview

Oxeno Olefinchemie GmbH, based in Marl, Germany, specializes in the field of olefin chemistry, focusing on innovative catalytic processes. The company is known for its expertise in hydroformylation, alicyclic esters, and the production of olefins and carboxylic acids. With a strong emphasis on phosphine compounds and isobutene, Oxeno develops advanced chemical solutions that cater to various industrial applications. Their commitment to research and development positions them as a key player in the chemical industry, driving advancements in sustainable and efficient chemical manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

79 Patents

#5 in Marl

#730 in Germany

#9,588 in the World

Oxeno Olefinchemie Gmbh

Forward Citations = 1,250

98 inventors:

Klaus-Diether Wiese (29 out of 43 patents)

Alfred Kaizik (25 out of 44 patents)

Wilfried Bueschken (23 out of 41 patents)

4. Franz Nierlich (17 out of 40 patents)

5. Cornelia Borgmann (14 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oxeno Olefinchemie Gmbh. Retrieved from https://idiyas.com/company/oxeno-olefinchemie

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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