Arisdorf, Switzerland

Rolf Schaefer

This inventor holds 2 USPTO granted patents and 4 published patent applications, plus 3 CIPO patents and 5 EPO patents. Top assignees: Chemisches Institut Schaefer Ag, Chemisches Instutut Schaefer Ag, Joh a. Benckiser, Gmbh. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rolf Schaefer. Retrieved from https://idiyas.com/inventor/rolf-schaefer-14h5ounc

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

USPTO Granted Patents = 2 

% Patents Active = 100.0


 

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1991-1992

Loading Chart...
Loading Chart...
Loading Chart...
2 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Inventor Rolf Schaefer

Introduction

Rolf Schaefer, based in Arisdorf, Switzerland, is a distinguished inventor notable for his contributions to the field of chemical processing. With two patents to his name, his innovative work focuses on polycarboxylic acid imidazolines, which are crucial in various industrial applications.

Latest Patents

Schaefer's latest patents involve the process for preparing polycarboxylic acid imidazolines by condensation. The first patent outlines a method encompassing a compound of specified formulas that condenses with a 2- to 5-fold excess of acrylic acid, methacrylic acid, maleic acid, or a combination thereof. The resulting compounds are designed to exhibit enhanced properties, making them suitable for cleaning agents and other applications. His patents provide intricate details regarding the chemical structures and the reactions involved, demonstrating his deep understanding of organic chemistry.

Career Highlights

Throughout his career, Rolf Schaefer has worked with reputable companies, including Chemisches Institut Schaefer AG and Joh. A. Benskiser GmbH. His experience in these institutions has allowed him to refine his expertise and contribute to significant advancements in chemical products.

Collaborations

Schaefer has collaborated with esteemed professionals such as Hans Hitz and Heinrich Baust, enhancing his innovative endeavors. These partnerships have fostered a collaborative spirit, leading to improved methodologies and the development of new products in chemical engineering.

Conclusion

Rolf Schaefer stands out as a remarkable inventor whose work in polycarboxylic acid imidazolines has left a lasting impact on the chemical industry. His dedication to innovation and collaboration highlights the importance of creativity and teamwork in advancing technology. With two patents to his credit, his contributions continue to influence the field, paving the way for future innovations.

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…