Munchenstein, Switzerland

Wolfgang Frey

This inventor holds 1 USPTO granted patent. Top assignee: Sandoz Gmbh. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wolfgang Frey. Retrieved from https://idiyas.com/inventor/wolfgang-frey-3ktqzui9

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 1981

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Wolfgang Frey: Innovator in Anthraquinone Compounds

Introduction

Wolfgang Frey is a notable inventor based in Munchenstein, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of anthraquinone compounds. His innovative work has led to the creation of water-soluble anthraquinone dyes, which have various applications in the industry.

Latest Patents

Wolfgang Frey holds a patent for anthraquinone compounds. This patent describes water-soluble anthraquinone dyes that bear one or two 3,5,5-trimethylcyclohexylamino groups in the 1- and/or 4-positions. Additionally, these compounds feature one or two -SO₃H groups bound either directly to a carbon atom of an aromatic ring or indirectly over an oxygen atom to a carbon atom of an aliphatic chain. This innovation represents a significant advancement in dye chemistry.

Career Highlights

Frey is currently associated with Sandoz GmbH, a prominent company in the pharmaceutical and chemical sectors. His work at Sandoz has allowed him to focus on the development of innovative chemical solutions that meet industry needs. His expertise in anthraquinone compounds has positioned him as a valuable asset in his field.

Collaborations

Wolfgang Frey collaborates with Wolfgang Schoenauer, contributing to the advancement of their shared projects. Their partnership exemplifies the importance of teamwork in driving innovation and achieving successful outcomes in research and development.

Conclusion

Wolfgang Frey is a distinguished inventor whose work in anthraquinone compounds has made a significant impact in the field of chemistry. His contributions continue to influence the industry, showcasing the importance of innovation in developing new chemical solutions.

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]
Loading…