Liblar, Germany

Hartfried Vollmer

This inventor holds 1 USPTO granted patent. Top assignee: Hoechst Aktiengesellschaft. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hartfried Vollmer. Retrieved from https://idiyas.com/inventor/hartfried-vollmer

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 = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Hartfried Vollmer: Innovator in Quaternary Phosphonium Hydroxides

Introduction

Hartfried Vollmer is a notable inventor based in Liblar, Germany. He has made significant contributions to the field of chemistry, particularly in the production of quaternary phosphonium hydroxides. His innovative work has led to the development of a unique patent that showcases his expertise and creativity.

Latest Patents

Hartfried Vollmer holds a patent for the production of quaternary phosphonium hydroxides. The patent describes a method for creating these compounds, which are represented by the general formula: ##STR1##. In this formula, R can either be hydrogen or an aliphatic or aromatic hydrocarbon containing 1 to 12 carbon atoms, while n can be either 1 or 2. The process involves reacting a di- or trimethylphosphine in an aqueous medium with an epoxide of the general formula ##STR2##. A crucial aspect of this method is establishing a pH-value of ≥12 in the aqueous medium using a base, followed by mixing the starting materials in this medium.

Career Highlights

Hartfried Vollmer has had a distinguished career, working at Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His role at Hoechst has allowed him to focus on innovative research and development, contributing to advancements in chemical production techniques.

Collaborations

Throughout his career, Hartfried has collaborated with various professionals in the field. One notable coworker is Klaus Hestermann, with whom he has likely shared insights and expertise in their respective areas of research.

Conclusion

Hartfried Vollmer's contributions to the field of chemistry, particularly through his patent on quaternary phosphonium hydroxides, highlight his innovative spirit and dedication to advancing chemical science. His work continues to influence the industry and inspire future research.

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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