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Erftstadt, Germany

Klaus-Peter Ehlers

This inventor holds 13 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Klaus-Peter Ehlers. Retrieved from https://idiyas.com/inventor/klaus-peter-ehlers

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 36(Granted Patents)


Location History:

  • Erftstadt Lechenich, DE (1976 - 1980)
  • Erftstadt-Iechenich, DE (1981)
  • Erftstadt, DE (1980 - 1982)

Company Filing History:

goldMedal13 out of 6,705 
 
Hoechst Aktiengesellschaft
 patents

Years Active: 1976-1982

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13 patents (USPTO):Explore Patents
1. 4346066 - Purification of wet-process phosphoric acid (1982-08-24),
2. 4321245 - Process for the purification of wet-processed phosphoric acid (1982-03-23),
3. 4313826 - Liquid-liquid extraction apparatus (1982-02-02),
4. 4299803 - Production of alkali metal phosphate solutions free from zinc (1981-11-10),
5. 4279876 - Conversion of extraction residues originating from phosphoric acid (1981-07-21),
6. 4271128 - Apparatus for recovering alcoholic phosphoric acid solutions from acid (1981-06-02),
7. 4222994 - Solvent extraction purification of wet-processed phosphoric acid (1980-09-16),
8. 4203956 - Process and apparatus for recovering alcoholic phosphoric acid solutions (1980-05-20),
9. 4200620 - Decontamination of wet-processed phosphoric acid (1980-04-29),
10. 4134962 - Production of pure alkali metal phosphate solutions from wet-processed (1979-01-16),
11. 4100261 - Production of pure alkali metal phosphate solutions from wet-processed (1978-07-11),
12. 4053562 - Production of alkali metal phosphate solutions of low vanadium content (1977-10-11),
13. 3996336 - Purification of phosphoric acid (1976-12-07),

Title: Klaus-Peter Ehlers: Innovator in Phosphoric Acid Purification

Introduction

Klaus-Peter Ehlers is a notable inventor based in Erftstadt, Germany. He has made significant contributions to the field of chemical engineering, particularly in the purification of wet-process phosphoric acid. With a total of 13 patents to his name, Ehlers has established himself as a key figure in his area of expertise.

Latest Patents

Ehlers' latest patents focus on innovative methods for purifying wet-process phosphoric acid. One of his inventions involves the decontamination of phosphoric acid using organic solvents in multiple extraction zones. This process includes a mixing zone and a separating zone, where the solvent is either immiscible or partially miscible with water. The organic phase and aqueous phase are contacted countercurrently, ensuring effective purification. Another patent describes a process for purification that utilizes barium compounds to remove sulfate ions, carried out in an n-stage extraction installation.

Career Highlights

Ehlers is associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work has led to advancements in the efficiency and effectiveness of phosphoric acid purification processes. His innovative approaches have garnered attention and recognition within the scientific community.

Collaborations

Ehlers has collaborated with notable colleagues, including Klaus Schrodter and Wolfgang Scheibitz. These partnerships have contributed to the development of his patented technologies and have enhanced the impact of his work in the field.

Conclusion

Klaus-Peter Ehlers is a distinguished inventor whose work in the purification of wet-process phosphoric acid has made a significant impact on the chemical industry. His innovative patents and collaborations highlight his dedication to advancing chemical engineering practices.

Profile summary based on public USPTO records.
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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