Frankfurt, Germany

Siegfried Wilhelm

This inventor holds 1 USPTO granted patent. Top assignee: Hoechst Aktiengesellschaft. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Siegfried Wilhelm. Retrieved from https://idiyas.com/inventor/siegfried-wilhelm-cu1vpy2j

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 = 6.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Siegfried Wilhelm: Innovator in Reactive Dyestuffs

Introduction

Siegfried Wilhelm is a notable inventor based in Frankfurt, Germany. He has made significant contributions to the field of chemical engineering, particularly in the area of reactive dyestuffs. His innovative approach has led to the development of a unique process that enhances the efficiency of dye production.

Latest Patents

Siegfried Wilhelm holds a patent for a process titled "Process for preparing liquid low-salt aqueous reactive dyestuff." This patent describes a method for separating sodium sulfate from aqueous solutions of certain fiber-reactive dyestuffs. The process involves cooling the solution to a temperature between +5°C and -15°C, allowing sodium sulfate to precipitate in the form of decahydrate. This method results in aqueous liquid low-salt preparations of dyestuffs containing less than 4% by weight of sodium sulfate.

Career Highlights

Siegfried Wilhelm is associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work has contributed to advancements in dye technology, making it more environmentally friendly and efficient. His innovative processes have been recognized for their potential to reduce salt content in dye formulations.

Collaborations

Throughout his career, Siegfried has collaborated with notable colleagues, including Christian Fabel and Heinrich Pohlmann. These collaborations have fostered a creative environment that has led to further innovations in the field.

Conclusion

Siegfried Wilhelm's contributions to the field of reactive dyestuffs exemplify the impact of innovation in chemical engineering. His patented process not only enhances the efficiency of dye production but also promotes sustainability in the industry. His work continues to influence the development of low-salt dyeing technologies.

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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