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Oberhausen, Germany

Celanese Chemicals Europe Gmbh

USPTO Granted Patents = 42

EPO Patents = 4

Forward Citations = 457

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88 inventors (with patents filed for the assignee):

Helmut Springer (10 out of 43 patents)

Peter Lappe (8 out of 48 patents)

Hans Bohnen (6 out of 20 patents)

4. Helmut Bahrmann (6 out of 75 patents)

5. Jürgen Herwig (5 out of 12 patents)

6. Kurt Schalapski (5 out of 18 patents)

7. Uwe Dingerdissen (5 out of 42 patents)

8. Ernst Wiebus (5 out of 34 patents)

9. Rainer Lukas (4 out of 11 patents)

10. Carl Dieter Frohning (4 out of 17 patents)

11. Klaus Bergrath (4 out of 6 patents)

12. Richard Fischer (4 out of 4 patents)

13. Wolfgang Zgorzelski (3 out of 11 patents)

14. Robert Eckl (3 out of 4 patents)

15. Michael Riedel (3 out of 5 patents)

Core Competencies:

Vinyl Acetate

Aldehydes

Carboxylic Acids

Catalysts

Ionic Liquids

Aliphatic Alcohols

Hydroformylation

Tertiary Phosphanes

Sulfonated Arylphosphines

Ethylene Oxidation

Limonene Alcohol

Ester Plasticizers

42 patents: Sort by Forward Citations

1. 7342135 - 3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for its preparation (2008-03-11),

2. 7339084 - Method for the production of acetaldehyde from ethylene and oxygen (2008-03-04),

3. 7301048 - Process for isolating vinyl acetate (2007-11-27),

4. 7202377 - Process for preparing vinyl acetate (2007-04-10),

5. 7196128 - Carboxylic esters based on limonene alcohol [3-(4'-methylcyclohexyl)butanol] and having a low melting point (2007-03-27),

6. 7138544 - Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids (2006-11-21),

7. 7122706 - Process for preparing TCD-monenal (2006-10-17),

8. 7115773 - Coupled production of two esters (2006-10-03),

9. 7102034 - Process for preparing sulfonated arylphosphines (2006-09-05),

10. 7087795 - Method for the production of aldehydes (2006-08-08),

11. 7074304 - Process for purifying alicyclic alcohols (2006-07-11),

12. RE39074 - Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide (2006-04-17),

13. 7015362 - Process for preparing TCD-dialdehyde (2006-03-21),

14. 6995293 - Method for the production of aldehydes (2006-02-07),

15. 6987200 - Process for producing catalysts comprising nanosize metal particles on a porous support, in particular for the gas-phase oxidation of ethylene and acetic acid to give vinyl acetate (2006-01-17),

Celanese Chemicals Europe GmbH is a leading producer of specialty materials and chemical products. With a focus on innovation, sustainability, and customer collaboration, the company delivers high-performance solutions to various industries including automotive, consumer goods, electronics, and more. Celanese Chemicals Europe GmbH is committed to providing reliable and cutting-edge products that meet the evolving needs of its customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

42 Patents

#2 in Oberhausen

#1,254 in Germany

#15,862 in the World

Oberhausen, Germany

Celanese Chemicals Europe Gmbh

Forward Citations = 457

88 inventors:

Helmut Springer (10 out of 43 patents)

Peter Lappe (8 out of 48 patents)

Hans Bohnen (6 out of 20 patents)

4. Helmut Bahrmann (6 out of 75 patents)

5. Jürgen Herwig (5 out of 12 patents)

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