Hans-Joachim Weissen

Title: The Innovations of Hans-Joachim Weissen

Introduction

Hans-Joachim Weissen is a notable inventor based in Kreuzau, Germany. He has made significant contributions to the field of paper manufacturing through his innovative patent. His work focuses on the development of cationic sizing agents, which are essential for enhancing the quality of paper products.

Latest Patents

Weissen holds a patent titled "Paper sizing agents, the manufacture and use of same." This patent describes a process for manufacturing cationic sizing agents for paper. The process involves the reaction of alpha-olefins with maleic anhydride, followed by the imidation of the resulting copolymer with a polyamine. The copolymer is then quaternized with epichlorohydrin in the presence of water. The resulting sizing agent is particularly effective as a surface-sizing agent and for sizing paper made from secondary fibers. He has 1 patent to his name.

Career Highlights

Weissen has had a successful career, working with Akzo N.V., a leading company in the chemical industry. His expertise in polymer chemistry has allowed him to develop innovative solutions that improve the paper manufacturing process.

Collaborations

Throughout his career, Weissen has collaborated with notable colleagues, including Horst Schurmann and Klaus Schloter. These collaborations have contributed to the advancement of technology in the field of paper production.

Conclusion

Hans-Joachim Weissen's contributions to the development of cationic sizing agents have made a significant impact on the paper industry. His innovative approach and collaboration with other experts highlight the importance of teamwork in advancing technology.