Walter Heyer

Title: Walter Heyer: Innovator in Flameproofing Technology

Introduction

Walter Heyer is a notable inventor based in Barsinghausen, Germany. He has made significant contributions to the field of chemical engineering, particularly in the development of flameproofing agents. His innovative work has led to the creation of a unique compound that has applications in various industries.

Latest Patents

Walter Heyer holds a patent for the process of synthesizing 2,2-Bis[4-(2,3-dibromopropoxy)-3,5-dibromophenyl]-propane, commonly referred to as BDDP. This bisphenol-A derivative is prepared through a two-step reaction process. The first step involves the reaction of 2,2-bis[4-hydroxy-3,5-dibromophenyl]-propane with an allyl halide, using a lower aliphatic alcohol as a solvent. The second step includes the bromination of the diallyl ether obtained, utilizing an aromatic halogenated hydrocarbon. The final product is precipitated using excess alcohol and separated, resulting in BDDP granules that serve as effective flameproofing agents.

Career Highlights

Walter Heyer has dedicated his career to advancing chemical processes and materials. He is currently associated with Riedel-de Haen Aktiengesellschaft, a company known for its expertise in chemical manufacturing. His work has not only contributed to the company's portfolio but has also enhanced safety standards in various applications.

Collaborations

Throughout his career, Walter has collaborated with esteemed colleagues such as Wolfgang Dannenberg and Theo Doldissen. These partnerships have fostered innovation and have been instrumental in the development of new chemical processes.

Conclusion

Walter Heyer's contributions to flameproofing technology exemplify the impact of innovative thinking in the chemical industry. His patent for BDDP showcases his commitment to safety and efficiency in material applications. His work continues to influence the field and inspire future innovations.