Company Filing History:
Years Active: 1997-1998
Title: The Innovative Contributions of Ralph Schaefer
Introduction
Ralph Schaefer is a notable inventor located in Wiesbaden, Germany. With a total of two patents to his name, Schaefer has made significant contributions to the field of chemical engineering, particularly in the development of specialized binder resins and polyvinylbutyral dispersions.
Latest Patents
Ralph Schaefer's latest patents include innovative processes that enhance the characteristics of polyvinylbutyral dispersions. His first patent focuses on a method for the preparation of water-dilutable polyvinylbutyral dispersions. This process involves the reaction of aliphatic acids with polyfunctional isocyanates to achieve a specific ratio of isocyanate groups, followed by further reactions with monofunctional compounds and polyvinylbutyral, resulting in efficient binders for coatings with excellent adhesion properties.
The second patent revolves around the preparation of binder resins with improved flow properties for curable fiber composites. This innovation utilizes thermosetting novolaks combined with crosslinking agents, enhanced by the addition of polyglycols and acids, making the manufacturing process more efficient for both natural and synthetic fiber materials.
Career Highlights
Ralph Schaefer is currently associated with Hoechst Aktiengesellschaft, a prominent company renowned for its advancements in chemical products. His work there, coupled with his innovative patents, highlights his importance in contributing to new technologies within the industry.
Collaborations
Throughout his career, Schaefer has collaborated with notable colleagues such as Wolfgang Hesse and Erhard Leicht. These collaborations have fostered a productive environment, allowing for the exchange of ideas and advancements in their field of expertise.
Conclusion
In summary, Ralph Schaefer is an influential inventor whose work continues to impact the chemical engineering landscape. With his two patents focusing on efficient binder formulations and polyvinylbutyral dispersions, Schaefer exemplifies the spirit of innovation. His ongoing contributions at Hoechst Aktiengesellschaft and collaborations with fellow professionals further solidify his reputation in the industry.