Dreieich, Germany

Wolfgang Stephan

This inventor holds 20 USPTO granted patents, primarily in Immunoglobulin Preparation. Top assignees: Biotest Pharma Gmbh, Biotest-Serum-Institut Gmbh. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wolfgang Stephan. Retrieved from https://idiyas.com/inventor/wolfgang-stephan-8wkfprxd

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 14

Forward Citations = 413(Granted Patents)


Location History:

  • Dreieichenhain, DE (1978 - 1979)
  • Dreieich, DE (1979 - 1992)
  • Stadtprozelten, DE (1996)

Company Filing History:


Years Active: 1978-1996

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Areas of Expertise:
Sterile Filtration
Immunoglobulins
Pharmaceutical Preparation
Blood Sterilization
Plasma Protein
Virus Safe Solutions
Intravenous Applications
Blood Fractionation
Colostrum Processing
Therapeutic Agents
Gamma-Globulin
Citrate-Stabilized Plasma
20 patents (USPTO):Explore Patents

Title: Innovations of Wolfgang Stephan: A Pioneer in Sterile Filtration Processes

Introduction: Wolfgang Stephan, an accomplished inventor based in Dreieich, Germany, holds an impressive portfolio of 20 patents. His work significantly contributes to advancements in food safety, particularly in the dairy industry. Stephan's innovative methods ensure that milk and colostrum are not only safe for consumption but also preserve their nutritional value.

Latest Patents: Wolfgang Stephan's most recent patents focus on the sterile filtration of milk. One patent describes a novel process that reduces the calcium ion content of milk, preferably to half of its natural level, utilizing techniques such as ion exchange or dialysis. This treated milk is then filtered to eliminate bacteria, fungi, and spores, resulting in a stable product that maintains its biological activities while ensuring a longer shelf life. Another significant patent introduces a method for producing sterile-filtered colostrum solution with casein. The process involves adjusting the pH of the colostrum solution before filtration, ensuring a clear and sterile end product that retains essential nutrients.

Career Highlights: Throughout his career, Wolfgang Stephan has made significant contributions while working with reputed companies like Biotest Pharma GmbH and Biotest Serum-Institut GmbH. His roles in these organizations provided him the platform to innovate and develop processes that enhance product safety and quality.

Collaborations: Wolfgang Stephan has had the privilege of collaborating with notable individuals such as Ronald Kotitschke and Herbert Dichtelmuller. These partnerships have fostered an environment of creativity and shared expertise, further propelling advancements in his field.

Conclusion: Wolfgang Stephan's innovative contributions in dairy processing highlight his commitment to improving food safety and quality. His patents reflect a profound understanding of the intricate balance between preserving nutritional value and ensuring sterility, marking him as a significant figure in the realm of food technology. Through his work, Stephan continues to pave the way for safer consumption of dairy products worldwide.

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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