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Frankfurt-am-Main, Germany

Cassella Farbwerke Mainkur Aktiengesellschaft

USPTO Granted Patents = 49

Trademarks = 1

Forward Citations = 247

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54 inventors (with patents filed for the assignee):

Joachim Ribka (19 out of 64 patents)

Ernst Heinrich (18 out of 18 patents)

Josef Scholtholt (8 out of 11 patents)

4. Rolf-Eberhard Nitz (8 out of 8 patents)

5. Otto Grawinger (7 out of 9 patents)

6. Thomas Raabe (7 out of 9 patents)

7. Reinhard Mohr (6 out of 6 patents)

8. Eckhard Schraven (6 out of 8 patents)

9. Erwin Fleckenstein (5 out of 8 patents)

10. Dieter Tichy (5 out of 5 patents)

11. Horst Kindler (4 out of 4 patents)

12. Steffen Piesch (4 out of 4 patents)

13. Klaus Resag (4 out of 5 patents)

14. Walter Michel (4 out of 5 patents)

15. Karl Schnee (4 out of 4 patents)

Core Competencies:

Azo Dyestuffs

Aminoplasts

Melamine Resin

Dyeing Polyester Fabric

Pharmaceutically Active Derivatives

Water-Insoluble Dyestuffs

Sulfonyl Compounds

Modified Aminoplast Compositions

Benzophenone Derivatives

Anti-Dusting Formulations

Heterocyclic Compounds

Dye Levelers

49 patents: Sort by Forward Citations

1. 4216314 - N-Aryloxypropyl-N'-dioxopyrimidyl-.alpha.,.omega.-alkylenediamines (1980-08-05),

2. 4116918 - Melamine resin and dye mixtures (1978-09-26),

3. 4088764 - Pharmaceutically active derivatives of 1-phenoxy-3-amino-propan-2-ol (1978-05-09),

4. 4087420 - Azo dyestuffs containing an .alpha.-phenylamino isobutyric acid alkyl (1978-05-02),

5. 4081426 - Preparation of aminoplasts (1978-03-28),

6. 4080160 - Fixing pigment to textile with mono-sulphated oleic acid amide (1978-03-21),

7. 4079040 - Sulfo-containing phenol-formaldehyde condensates (1978-03-14),

8. 4076662 - Modified aminoplast compositions (1978-02-28),

9. 4075409 - Benzophenone derivatives (1978-02-21),

10. 4073616 - Oxidative after-treatment of materials dyed or printed with sulfur or (1978-02-14),

11. 4069013 - Anti-dusting formulations (1978-01-17),

12. 4069012 - Dyeing of polyester fabric with disazo dye (1978-01-17),

13. 4066768 - Derivatives of 1-phenoxy-3-amino-propan-2-ol (1978-01-03),

14. 4061642 - 2,4,6-Trisubstituted-3-pyridine carboxamides (1977-12-06),

15. 4058518 - Water-insoluble monoazo 3-cyano-4-methyl-6-hydroxy-2-pyridine dyestuffs (1977-11-15),

Cassella Farbwerke Mainkur Aktiengesellschaft is a chemical company based in Germany. They specialize in the production and distribution of various chemical products, including dyes, pigments, and coatings. With a rich history dating back to 1799, Cassella is known for its high-quality and innovative solutions. Their website provides detailed information about their products, services, and company background.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

49 Patents

#23 in Frankfurt-am-Main

#1,105 in Germany

#13,866 in the World

Frankfurt-am-Main, Germany

Cassella Farbwerke Mainkur Aktiengesellschaft

Forward Citations = 247

54 inventors:

Joachim Ribka (19 out of 64 patents)

Ernst Heinrich (18 out of 18 patents)

Josef Scholtholt (8 out of 11 patents)

4. Rolf-Eberhard Nitz (8 out of 8 patents)

5. Otto Grawinger (7 out of 9 patents)

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