Marl, Germany

Annette Sandkühler

This inventor holds 3 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Evonik Operations Gmbh, Huels Aktiengesellschaft. Active years: 1991-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Annette Sandkühler. Retrieved from https://idiyas.com/inventor/annette-sandkuhler

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1991-2022

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3 patents (USPTO):Explore Patents

Title: Annette Sandkühler: Innovator in Fast-Curing Epoxy Systems

Introduction

Annette Sandkühler is a prominent inventor based in Marl, Germany. She has made significant contributions to the field of epoxy systems, particularly focusing on fast-curing compositions. With a total of 3 patents to her name, her work has garnered attention in the industry.

Latest Patents

One of her latest patents is centered around fast-curing epoxy systems. This invention relates to a low-alkylphenol composition that includes at least one epoxy resin, at least one amine with two secondary amino groups within an organic ring system, and at least one salt of a strong Brønsted acid with a counterion selected from metal ions, metal-containing ions, phosphonium ions, and ammonium ions. Another patent also focuses on fast-curing epoxy systems, providing a composition that includes at least one epoxy resin and at least one cyclic amine of a specific formula.

Career Highlights

Throughout her career, Annette has worked with notable companies such as Evonik Operations GmbH and Evonik Degussa GmbH. Her experience in these organizations has allowed her to develop and refine her innovative ideas in epoxy technology.

Collaborations

Annette has collaborated with esteemed colleagues, including Emmanouil Spyrou and Dirk Fuchsmann. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

Annette Sandkühler stands out as a key figure in the development of fast-curing epoxy systems. Her innovative patents and collaborations reflect her dedication to advancing technology in this field.

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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