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Forward Citations = 60

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12 inventors (with patents filed for the assignee):

Dieter Annemaier (3 out of 5 patents)

Klaus Lehmann (3 out of 4 patents)

Hans Hawel (3 out of 4 patents)

4. Robert Graf (2 out of 7 patents)

5. Andreas Domsch (2 out of 2 patents)

6. Stefan Keipl (1 out of 3 patents)

7. Klaus Hornfeck (1 out of 15 patents)

8. Gregor Schuster (1 out of 1 patent)

9. Oskar M Schmitt (1 out of 2 patents)

10. Heinz-Gerd Smolka (1 out of 2 patents)

11. Dieter Schraml (1 out of 2 patents)

12. Wilhelm Kaemereit (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5496881 - Composition for forming fireproof coatings and caulking and a method of (1996-03-05),

2. 5453212 - Powdery hydrophobic filler for bituminized traffic surfaces (1995-09-26),

3. 5362363 - Aqueous dispersions containing alkaline earth soaps and/or alkaline (1994-11-08),

4. 5126076 - Low-flammability structural elements, particularly boards, and process (1992-06-30),

5. 4971656 - Flotation process for deinking printed waste paper (1990-11-20),

6. 4959123 - Process for deinking printed waste paper (1990-09-25),

Chemische Fabrik Gruenau GmbH is a leading chemical manufacturer specializing in the production of industrial chemicals, pharmaceutical ingredients, and specialty chemicals. With over 50 years of experience, we are known for our high-quality products, exceptional customer service, and commitment to sustainability. Our state-of-the-art facilities and innovative technology allow us to meet the evolving needs of our global customers in various industries.

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USPTO Data Jan 1 1976 - Dec 9 2025

6 Patents

#3 in Illertissen

#5,316 in Germany

Illertissen, Germany

Chemische Fabrik Gruenau Gmbh