Katharina Weitershaus

Title: Katharina Weitershaus: Innovator in Manganese Chemistry

Introduction

Katharina Weitershaus is a notable inventor based in Kriens, Switzerland. She has made significant contributions to the field of manganese chemistry, holding a total of 5 patents. Her work focuses on innovative methods that enhance the efficiency and effectiveness of manganese species in various applications.

Latest Patents

One of her latest patents involves methods of generating manganese (III) ions in mixed aqueous acid solutions using ozone. This invention allows for the generation and regeneration of manganese-(III) species from manganese-(II) species by injecting ozone gas into the solution. The process achieves at least 60% Mn(III) generation efficiency and utilizes acids such as sulfuric acid and alkane sulfonic acid. This aqueous acid solution is particularly useful for etching polymer materials through a chrome-free etch method. Another significant patent addresses metallization inhibitors for plastisol coated plating tools. This invention prevents unwanted metallization of the tools during electroless plating, allowing for their reuse without the need to strip the metal afterward.

Career Highlights

Katharina has worked with prominent companies, including Rohm and Haas Electronic Materials LLC and Rohm and Haas Electronics Materials LLC. Her experience in these organizations has contributed to her expertise in the field of materials science and chemistry.

Collaborations

Throughout her career, Katharina has collaborated with notable colleagues such as Wan Zhang-Beglinger and Andreas Scheybal. These partnerships have fostered innovation and advancement in her research endeavors.

Conclusion

Katharina Weitershaus stands out as a pioneering inventor in manganese chemistry, with a focus on practical applications that enhance industrial processes. Her contributions continue to influence the field and demonstrate the importance of innovation in scientific research.