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Cologne, Germany

Ec Erdolchemie Gmbh

USPTO Granted Patents = 33

Forward Citations = 222

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62 inventors (with patents filed for the assignee):

Bernhard Schleppinghoff (14 out of 16 patents)

Jens Herwig (11 out of 15 patents)

Hans-Volker Scheef (7 out of 8 patents)

4. Joachim Grub (5 out of 8 patents)

5. Arnd Stuwe (5 out of 9 patents)

6. Christian Gabel (5 out of 7 patents)

7. Horst Reinhardt (4 out of 4 patents)

8. Hans-Dieter Kohler (4 out of 5 patents)

9. Herbert Tschorn (3 out of 3 patents)

10. Ludwig Bruns (3 out of 5 patents)

11. Hans-Jurgen Bister (2 out of 3 patents)

12. Werner Volprecht (2 out of 2 patents)

13. Matthias Baum (2 out of 2 patents)

14. Mathias Lux (2 out of 2 patents)

15. Peter M Lange (2 out of 26 patents)

Core Competencies:

Tertiary Alcohols

Catalysts

Hydrogenation

Olefins

Azeotropic Separation

Isomerization

Acrylonitrile

Oligomerization

High-Octane Fuels

Cyclopentane

Resins

Gas Emission

33 patents: Sort by Forward Citations

1. 6951967 - Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing (2005-10-04),

2. 6264799 - Process for isolating cyclopentane and/or cyclopentene (2001-07-24),

3. 6175049 - Process for the production of 1, 2-butadiene (2001-01-16),

4. 6087299 - Silver-containing supported catalysts and catalyst intermediates, (2000-07-11),

5. 6074982 - Catalyst agent for etherifying, hydrogenating and isomerizing crude . (2000-06-13),

6. 5969205 - Process for preparing C.sub.4 --C.sub.6 --alkenes having an internal (1999-10-19),

7. 5789643 - Process for oligomerizing I-butene comprising hydroisomerizing portion (1998-08-04),

8. 5378668 - Process for reactivating ammoxidation catalysts (1995-01-03),

9. 5141732 - Process for the removal of ammonium sulphate from tarrich waste streams (1992-08-25),

10. 5141525 - Process for producing high-octane, low-olefin motor fuels and motor fuel (1992-08-25),

11. 5095164 - Process for cleaving alkyl tert.-alkyl ethers (1992-03-10),

12. 5091093 - Process for purifying acrylonitrile effluent (1992-02-25),

13. 5008466 - Process for the isomerization of alkenes having a terminal double bond (1991-04-16),

14. 4960961 - Process for the preparation of tert.-amyl alcohol (TAA) (1990-10-02),

15. 4950820 - Process for the hydrogenation of olefinic hydrocarbons in hydrocarbon (1990-08-21),

Company Overview

Ec Erdolchemie Gmbh is a specialized company based in Cologne, Germany, focusing on the development and production of high-quality chemical products derived from petroleum. The organization is dedicated to advancing technologies in the field of petrochemicals, emphasizing sustainable practices and innovative solutions. With a strong commitment to research and development, Ec Erdolchemie Gmbh plays a significant role in the chemical industry, catering to various sectors and contributing to advancements in material science and chemical engineering.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

33 Patents

#21 in Cologne

#1,491 in Germany

#20,130 in the World

Cologne, Germany

Ec Erdolchemie Gmbh

Forward Citations = 222

62 inventors:

Bernhard Schleppinghoff (14 out of 16 patents)

Jens Herwig (11 out of 15 patents)

Hans-Volker Scheef (7 out of 8 patents)

4. Joachim Grub (5 out of 8 patents)

5. Arnd Stuwe (5 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ec Erdolchemie Gmbh. Retrieved from https://idiyas.com/company/ec-erdolchemie

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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