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Ladenburg, Germany

Benckiser-Knapsack Gmbh

USPTO Granted Patents = 31

Trademarks = 1

Forward Citations = 226

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39 inventors (with patents filed for the assignee):

Klaus Sommer (11 out of 13 patents)

Guenter Raab (8 out of 10 patents)

Hermann Weber (6 out of 7 patents)

4. Wilhelm Spatz (4 out of 4 patents)

5. Viktor Specht (4 out of 4 patents)

6. Michael Vogt (4 out of 4 patents)

7. Alfred Kling (4 out of 4 patents)

8. Stephan G Kleemann (4 out of 4 patents)

9. Margarete Scholl (3 out of 5 patents)

10. Hans-Adolf Rohlfs (3 out of 4 patents)

11. Ulrike Schaetzke (3 out of 3 patents)

12. Ernst Hoeger (2 out of 2 patents)

13. Walter Klemm (2 out of 2 patents)

14. Frederich Meinhardt (2 out of 2 patents)

15. Gerhard Schonmann (2 out of 2 patents)

31 patents: Sort by Forward Citations

1. 4871578 - Hydroxylapatite coating on metal or ceramic (1989-10-03),

2. 4851557 - Copper-containing polymers, a process for their preparation and their (1989-07-25),

3. 4828766 - Process for the preparation of vinyldiphosphonic acid and salts thereof (1989-05-09),

4. 4780293 - Process for the production of Maddrell's salt (1988-10-25),

5. 4775385 - Process for dyeing leathers, water-soluble cationic polymers suitable (1988-10-04),

6. 4755367 - Process for the preparation of coarse-particle dicalcium phosphate (1988-07-05),

7. 4752354 - Process and composition for bleaching wood pulp (1988-06-21),

8. 4750906 - Process for the retanning of mineral tanned leather (1988-06-14),

9. 4526582 - Method for bleaching cellulose fibers with N-(hydroxy methyl)-1-amino (1985-07-02),

10. 4517208 - Composition for treating fish to increase fish yield (1985-05-14),

11. 4510068 - N-(hydroxy methyl)-1-amino alkane-1,1-diphosphonic acids as stabilizing (1985-04-09),

12. 4487655 - Process of and composition for de-inking waste paper as well as paper (1984-12-11),

13. 4431679 - Composition for treating fish fillet to increase yield and shelf life (1984-02-14),

14. 4347258 - Process for the preparation of a stable food product from lacteal (1982-08-31),

15. 4343779 - Process for the condensation of phosphate solids (1982-08-10),

Benckiser-Knapsack GmbH is a chemical manufacturing company based in Germany. With over 100 years of experience, the company specializes in producing high-quality chemical products for various industries including healthcare, agriculture, and consumer goods. They are committed to innovation, sustainability, and meeting the ever-evolving needs of their customers. Visit their website to learn more about their wide range of chemical solutions and services.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

31 Patents

#2 in Ladenburg (Neckar)

#1,556 in DT

#21,196 in the World

Ladenburg, Germany

Benckiser-Knapsack Gmbh

Forward Citations = 226

39 inventors:

Klaus Sommer (11 out of 13 patents)

Guenter Raab (8 out of 10 patents)

Hermann Weber (6 out of 7 patents)

4. Wilhelm Spatz (4 out of 4 patents)

5. Viktor Specht (4 out of 4 patents)

Please report any incorrect information to [email protected]

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