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Hanover, Germany

Kali-Chemie Aktiengesellschaft

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USPTO Granted Patents = 102

Forward Citations = 887

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130 inventors (with patents filed for the assignee):

Hans Buchwald (16 out of 25 patents)

Werner Rudolph (14 out of 44 patents)

Boleslaus Raschkowski (11 out of 11 patents)

4. Horst Zeugner (10 out of 30 patents)

5. Werner Stuhmer (10 out of 11 patents)

6. Wolfgang Milkowski (10 out of 27 patents)

7. Andreas Brackmann (7 out of 7 patents)

8. Joachim Massonne (7 out of 7 patents)

9. Renke Budden (7 out of 11 patents)

10. Rolf Huschens (7 out of 7 patents)

11. Siegfried Funke (7 out of 8 patents)

12. Hans-Gunther Liepmann (7 out of 7 patents)

13. Reimar Musall (6 out of 6 patents)

14. Ulrich Hauschild (5 out of 5 patents)

15. Wilhelm Wolsing (5 out of 5 patents)

Core Competencies:

Fluorinated Compounds

Cleaning Compositions

Enzyme Stabilization

Alkaline Proteases

Benzodiazepine Derivatives

Copper Deposition

Waste Gas Treatment

Hydrogen Fluoride

Polymers

Thermal Stability

Catalytic Reduction

Halogenated Compounds

102 patents: Sort by Forward Citations

1. 5427936 - Alkaline bacillus lipases, coding DNA sequences therefor and bacilli, (1995-06-27),

2. 5399281 - Composition with hydrogen-containing fluorochlorohydrocarbons (1995-03-21),

3. 5393506 - Method for the manufacturing of alkali monofluorophosphate (1995-02-28),

4. 5352603 - Highly alkaline proteases (1994-10-04),

5. 5346730 - Process for depositing a copper containing layer I (1994-09-13),

6. 5315046 - Process for preparing ethane derivatives (1994-05-24),

7. 5312604 - Work-up of waste materials from barium or strontium sulfide leaching (1994-05-17),

8. 5304321 - Cleaning compositions, formed of hydrogen-containing (1994-04-19),

9. 5302360 - Method of working up antimony halide catalyst solutions (1994-04-12),

10. 5271861 - Fluorochlorohydrocarbon-free cleaning compositions (1993-12-21),

11. 5260496 - Process for separating mixtures of prefluorinated hydrocarbon compounds (1993-11-09),

12. 5247028 - Halogenated polycarbosilanes and processes for preparing them (1993-09-21),

13. 5246618 - Cleaning compositions (containing fluorochlorocarbon, C.sub.1 to C.sub.4 (1993-09-21),

14. 5229284 - Enzyme immobilzation on a macropermable agglomerate of microporous .alpha.- (1993-07-20),

15. 5214223 - Method of preparing fluorine-containing ethane derivatives (1993-05-25),

Company Overview

Kali-Chemie Aktiengesellschaft, based in Hanover, Germany, specializes in the development and manufacturing of fluorinated compounds. The company focuses on innovative solutions in various domains, including cleaning compositions and enzyme stabilization, particularly with alkaline proteases. Additionally, Kali-Chemie is involved in advanced applications such as copper deposition and waste gas treatment, contributing to environmental sustainability. Their expertise extends to the production of hydrogen fluoride and benzodiazepine derivatives, positioning them as a key player in the chemical industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

102 Patents

#11 in Hanover

#582 in Germany

#7,656 in the World

Hanover, Germany

Kali-Chemie Aktiengesellschaft

Forward Citations = 887

130 inventors:

Hans Buchwald (16 out of 25 patents)

Werner Rudolph (14 out of 44 patents)

Boleslaus Raschkowski (11 out of 11 patents)

4. Horst Zeugner (10 out of 30 patents)

5. Werner Stuhmer (10 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kali-Chemie Aktiengesellschaft. Retrieved from https://idiyas.com/company/kali-chemie-ag

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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