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Forward Citations = 67

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10 inventors (with patents filed for the assignee):

Karl-Heinz Keim (7 out of 10 patents)

Joachim Korff (6 out of 9 patents)

Ewald Meisenburg (3 out of 4 patents)

4. Max Fremery (3 out of 4 patents)

5. Wilfried Dolkemeyer (2 out of 3 patents)

6. Kurt Erdt (2 out of 4 patents)

7. Rene Hentges (2 out of 2 patents)

8. Heinrich Muller (1 out of 2 patents)

9. Reinhard Kiauk (1 out of 1 patent)

10. Johannes Zimmermann (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 4801305 - Motor-fuels (1989-01-31),

2. 4590306 - Process for the conversion of meta/para-cresol mixtures (1986-05-20),

3. 4459273 - Carbon black obtained from aqueous suspensions (1984-07-10),

4. 4406824 - Catalysts for the o-substitution of phenols (1983-09-27),

5. 4405815 - Process for the production of acetaldehyde and ethanol (1983-09-20),

6. 4400551 - Process for the production of acetaldehyde and ethanol (1983-08-23),

7. 4359591 - Process for the o-substitution of phenols (1982-11-16),

8. 4329329 - Process for obtaining carbon black from aqueous suspensions (1982-05-11),

9. 4283571 - Process for the catalytic isomerization of o-cresol (1981-08-11),

10. 4278819 - Process for the production of acetaldehyde dimethyl acetal (1981-07-14),

Union Rheinische Braunkohlen Kraftstoff Aktiengesellschaft (URBK AG) is a leading manufacturer of brown coal-based fuels in Germany. With a history dating back over a century, the company is known for its high-quality products and commitment to sustainability. URBK AG's state-of-the-art facilities ensure efficient production and distribution of their fuels, meeting the energy needs of customers across various sectors.

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USPTO Data Jan 1 1976 - Dec 9 2025

10 Patents

#2 in Wesseling

#3,713 in Germany

#54,238 in the World

Wesseling, Germany

Union Rheinische Braunkohlen Kraftstoff Aktiengesellschaft