Johannes Willenbacher

Title: The Innovative Contributions of Johannes Willenbacher

Introduction

Johannes Willenbacher is a notable inventor based in Ludwigshafen, Germany. He has made significant contributions to the field of polymer chemistry, particularly through his innovative patent related to iodine transfer polymerization methods.

Latest Patents

Willenbacher holds a patent for an iodine transfer polymerization method and the compositions derived from it. This method involves the iodine transfer radical polymerization of ethylenically unsaturated monomers, including (meth)acrylic acid and its salts. The process utilizes a radical polymerization initiator, an organoiodide, and a solvent to create (meth)acrylic acid polymers. The specific amounts of components used can range from 2 to 100 equivalents of acrylic acid and sodium acrylate, dissolved in water to form a 15 to 50 weight percent solution. This innovative method is particularly useful for producing (meth)acrylic polymer solutions that serve as effective dispersants.

Career Highlights

Throughout his career, Johannes Willenbacher has worked with prominent companies in the chemical industry, including Dow Global Technologies LLC and Rohm and Haas Company. His expertise in polymer chemistry has allowed him to contribute to various projects and advancements in the field.

Collaborations

Willenbacher has collaborated with esteemed colleagues such as Jing Ming Ren and Craig Jon Hawker. These partnerships have further enhanced his research and development efforts in polymer science.

Conclusion

Johannes Willenbacher's innovative work in iodine transfer polymerization has made a significant impact on the field of polymer chemistry. His contributions continue to influence the development of useful materials and applications in various industries.