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For the Inventor, By the Inventor

Dormagen, Germany

Dieter Schwengers

This inventor holds 10 USPTO granted patents. Top assignees: Pfeifer Langen, Dds-Kroyer A/s, Pfeiffer and Langen. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dieter Schwengers. Retrieved from https://idiyas.com/inventor/dieter-schwengers

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 144(Granted Patents)


Location History:

  • Dormagen, DE (1976 - 1990)
  • Dormangen, DE (1990)

Company Filing History:

goldMedal9 out of 13 
 
Pfeifer Langen
 patents
silverMedal1 out of 1 
 
Dds-Kroyer A/s
 patent
bronzeMedal1 out of 1 
 
Pfeiffer and Langen
 patent
where one patent can have more than one assignee

Years Active: 1976-1990

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10 patents (USPTO):Explore Patents
1. 4927756 - Water soluble iron dextran and a process for its manufacture (1990-05-22),
2. 4910142 - Cell culture microcarrier, method for preparing same and use thereof for (1990-03-20),
3. 4824946 - Cell culture microcarrier, method for preparing same and use thereof for (1989-04-25),
4. 4749695 - Water soluble iron dextran and a process for its manufacture (1988-06-07),
5. 4693974 - Processes for producing leucrose (1987-09-15),
6. 4673643 - Process for the manufacture of iso-malto-oligosaccharide monovalent (1987-06-16),
7. 4649058 - Gluco-oligosaccharide mixture and a process for its manufacture (1987-03-10),
8. 4154623 - Method of preparing refined starch hydrolysates from starch-containing (1979-05-15),
9. 3969538 - Recovery of enzymes with ion exchangers (1976-07-13),
10. 3939281 - Extraction of fat from starch-containing vegetable matter (1976-02-17),

Title: Dieter Schwengers: Innovator in Iron Dextran and Cell Culture Technologies

Introduction

Dieter Schwengers is a notable inventor based in Dormagen, Germany. He has made significant contributions to the fields of biochemistry and biotechnology, particularly through his innovative patents. With a total of 10 patents to his name, Schwengers has focused on developing solutions that address critical health and industrial needs.

Latest Patents

One of his latest patents is for a water-soluble iron dextran and a process for its manufacture. This invention involves preparing a high iron content iron dextran by adding an aqueous sucrose solution to a specific glucose solution under controlled conditions. The resulting iron dextrans can be used effectively in the treatment of iron deficiency. Another significant patent is for a cell culture microcarrier, which features positively charged cross-linked polysaccharides. This microcarrier is designed for enhanced cell culture applications, showcasing Schwengers' commitment to advancing biotechnological methods.

Career Highlights

Throughout his career, Dieter Schwengers has worked with several companies, including Pfeifer Langen and Dds-Kroyer A/S. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects. His work has had a lasting impact on the fields he has engaged with, particularly in the development of new materials and processes.

Collaborations

Dieter has collaborated with notable colleagues such as Ingrid Keller and Herta Benecke. These partnerships have fostered a creative environment that has led to the successful development of his patents and innovations.

Conclusion

Dieter Schwengers stands out as a prominent inventor whose work in iron dextran and cell culture technologies has made significant contributions to science and industry. His innovative spirit and collaborative efforts continue to inspire advancements in biotechnology.

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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