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Duisburg, Germany

Sachtleben Chemie Gmbh


USPTO Granted Patents = 31


Trademarks = 3

Forward Citations = 120

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73 inventors (with patents filed for the assignee):

goldMedal Djamschid Amirzadeh-Asl (9 out of 11 patents)

silverMedal Bernd Hirthe (6 out of 7 patents)

bronzeMedal Bernd Rohe (5 out of 7 patents)

4.  Frank Pfluecker (4 out of 9 patents)

5.  Sonja Grothe (4 out of 6 patents)

6.  Michael Wedler (4 out of 4 patents)

7.  Jochen Winkler (4 out of 8 patents)

8.  Peter Ebbinghaus (3 out of 3 patents)

9.  Stephan John (3 out of 3 patents)

10.  Thomas Rentschler (3 out of 6 patents)

11.  Elke Hirschberg (3 out of 3 patents)

12.  Petra Fritzen (2 out of 5 patents)

13.  Jörg Hocken (2 out of 3 patents)

14.  Elke Gosch (2 out of 2 patents)

15.  Jens Kohnert (2 out of 2 patents)


31 patents:

1. 9566565 - Catalyst material and process for the production thereof (2017-02-14),
2. 9481581 - Process for the production of a storage-stable barium sulphate having good dispersibility (2016-11-01),
3. 9309272 - Metal oxide particles aftertreated with organic phosphorus compounds (2016-04-12),
4. 9212194 - Functionalized particles and use thereof (2015-12-15),
5. 9163130 - Method for the production of ZnS particles having a metal oxide coating and a cobalt content, products obtained thereby, and use of said products (2015-10-20),
6. 9109267 - Process for the introduction of inorganic solids into hot liquid melts (2015-08-18),
7. 8883215 - Metal oxide particles aftertreated with organic phosphorus compounds (2014-11-11),
8. 8758501 - Nanoparticulate UV protectant with silicon dioxide coating (2014-06-24),
9. 8753684 - Particulate UV protection agent (2014-06-17),
10. 8715827 - Porous spherical titanium dioxide (2014-05-06),
11. 8540816 - Aggregate and filler extracted from slag (2013-09-24),
12. 8410207 - Thermoplastic, polymeric materials providing high IR absorption, method for the production thereof, and use thereof (2013-04-02),
13. 8383712 - Plastic comprising zinc sulphide (2013-02-26),
14. 8287837 - Titanium-containing additive (2012-10-16),
15. 8163828 - Additive for polymers and process for preparation thereof (2012-04-24),
Sachtleben Chemie GmbH is a global chemical company specializing in the production of titanium dioxide and functional additives. With over 135 years of experience, Sachtleben offers a wide range of high-quality products for various industries, including coatings, plastics, paper, and cosmetics. The company is committed to sustainability and innovation, continuously developing products and solutions to meet the evolving needs of its customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

31 Patents

#11 in Duisburg

#1,587 in Germany

#20,604 in the World

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Duisburg, Germany

Sachtleben Chemie Gmbh

Forward Citations = 120

73 inventors:

goldMedal Djamschid Amirzadeh-Asl (9 out of 11 patents)

silverMedal Bernd Hirthe (6 out of 7 patents)

bronzeMedal Bernd Rohe (5 out of 7 patents)

4.  Frank Pfluecker (4 out of 9 patents)

5.  Sonja Grothe (4 out of 6 patents)

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