Kriftel, Germany

Erich Hoffmann

This inventor holds 3 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1981-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Erich Hoffmann. Retrieved from https://idiyas.com/inventor/erich-hoffmann-pu1hg1td

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 = 3.5

ph-index = 3

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1981-1990

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3 patents (USPTO):Explore Patents

Title: The Innovations of Erich Hoffmann

Introduction

Erich Hoffmann is a notable inventor based in Kriftel, Germany. He has made significant contributions to the field of chemistry, particularly in the development of bisphenol derivatives and quaternary ammonium compounds. With a total of three patents to his name, Hoffmann's work has had a considerable impact on various applications, including fabric softeners.

Latest Patents

Hoffmann's latest patents focus on bisphenol derivatives and the processes for their manufacture. These compounds are characterized by their general formula, which includes quaternary ammonium compounds. Specifically, his patents detail compounds where R is a C8-C30 alkyl or alkenyl group, and R1 is an alkyl, 2-hydroxyalkyl, or alkenyl group, each having from 8 to 30 carbon atoms. Additionally, R2 is defined as a C1-C4 alkyl or benzyl group. The patents also describe a process for the preparation of these compounds and their use as fabric softeners.

Career Highlights

Hoffmann has been associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work there has allowed him to explore innovative solutions and contribute to advancements in chemical manufacturing processes. His expertise in the field has led to the successful development of new compounds that are widely utilized in various applications.

Collaborations

Throughout his career, Hoffmann has collaborated with notable colleagues, including Wolfgang Wagemann and Gunther Tauber. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Erich Hoffmann's contributions to the field of chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, particularly in the development of compounds used in everyday products.

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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