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For the Inventor, By the Inventor

Frankfurt, Germany

Rockwood Lithium Gmbh


USPTO Granted Patents = 16

% Expired Patents = 25.0



Forward Citations = 35

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26 inventors (with patents filed for the assignee):

goldMedal Ulrich Wietelmann (6 out of 73 patents)

silverMedal Ute Emmel (4 out of 28 patents)

bronzeMedal Christoph Hartnig (3 out of 8 patents)

4.  Peter Rittmeyer (2 out of 20 patents)

5.  David Wohlgemuth (2 out of 4 patents)

6.  Martin Steinbild (2 out of 5 patents)

7.  Johannes Willems (2 out of 7 patents)

8.  Mark J Hintze (2 out of 6 patents)

9.  Mark Andre Schneider (2 out of 3 patents)

10.  Rebecca Spielau (2 out of 4 patents)

11.  Jörg Sundermeyer (2 out of 17 patents)

12.  Daniel Alfred Boryta (2 out of 2 patents)

13.  Andrew John Donaldson (2 out of 2 patents)

14.  Uwe Lischka (1 out of 26 patents)

15.  Sangsik Jeong (1 out of 3 patents)


16 patents:

1. 10340515 - Carbon-coated lithium sulphide (2019-07-02),
2. 9988280 - Production of high purity lithium compounds directly from lithium containing brines (2018-06-05),
3. 9702024 - Method for the hydrometallurgical recovery of lithium, nickel and cobalt from the lithium transition metal oxide-containing fraction of used galvanic cells (2017-07-11),
4. 9677153 - Method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate (2017-06-13),
5. 9649688 - Lithium powder anode (2017-05-16),
6. 9601762 - Phosphorous-coated lithium metal products, method for production and use thereof (2017-03-21),
7. 9496545 - [object Object] (2016-11-15),
8. 9464101 - Production of lithium diphenylphosphide (2016-10-11),
9. 9260456 - Process for preparing metal difluorochelatoborates and use as battery electrolytes or additives in electrochemical cells (2016-02-16),
10. 9227987 - Method for producing amido-zinc halide/alkali-metal halide compounds (2016-01-05),
11. 9200092 - [object Object] (2015-12-01),
12. 9187505 - Homoleptic rare earth triaryl complexes (2015-11-17),
13. 9175020 - Production of lithium diphenylphosphide (2015-11-03),
14. 9147883 - Method for producing a carbon-coated lithium sulfide and use thereof (2015-09-29),
15. 9023252 - Method for producing a carbon-coated lithium sulfide and use thereof (2015-05-05),
Company Overview
Rockwood Lithium GmbH, based in Frankfurt, Germany, specializes in the development and production of lithium compounds and materials. The company plays a crucial role in the lithium supply chain, focusing on applications in energy storage, electric vehicles, and advanced battery technologies. With a commitment to innovation, Rockwood Lithium is dedicated to enhancing the performance and sustainability of lithium-based products, contributing to the growing demand for efficient energy solutions in various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

16 Patents

#51 in Frankfurt

#2,625 in Germany

#37,831 in the World

Frankfurt, DE
Frankfurt, Germany

Rockwood Lithium Gmbh

Forward Citations = 35

26 inventors:

goldMedal Ulrich Wietelmann (6 out of 73 patents)

silverMedal Ute Emmel (4 out of 28 patents)

bronzeMedal Christoph Hartnig (3 out of 8 patents)

4.  Peter Rittmeyer (2 out of 20 patents)

5.  David Wohlgemuth (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rockwood Lithium Gmbh. Retrieved from https://idiyas.com/company/rockwood-lithium

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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