Company Filing History:
Years Active: 1989-1990
Title: Wilhelm Holtmann: Innovator in Naphthalene Chemistry
Introduction
Wilhelm Holtmann is a notable inventor based in Munster, Germany. He has made significant contributions to the field of naphthalene chemistry, holding 2 patents that focus on the recovery and preparation of 2,6-dialkyl-naphthalene isomers. His work is essential for the production of high-quality polyesters and polyamides.
Latest Patents
Holtmann's latest patents include a process for the selective crystallization of 2,6-dialkyl-naphthalene isomers. This process involves crystallization with constant stirring at temperatures ranging from 25°C to -30°C, achieving a purity of at least 95%. Another patent details a method for preparing 2,6-dialkyl-naphthalenes by selectively alkylating naphthalene or 2-alkyl-naphthalene in the presence of a zeolite catalyst at temperatures between 250°C and 345°C.
Career Highlights
Wilhelm Holtmann is associated with Rutgerswerke Aktiengesellschaft, where he applies his expertise in chemical processes. His innovative approaches have contributed to advancements in the production of naphthalene derivatives, which are crucial for various industrial applications.
Collaborations
Holtmann has collaborated with notable colleagues such as Jens Weitkamp and Marita Neuber. Their combined efforts have furthered research and development in the field of naphthalene chemistry.
Conclusion
Wilhelm Holtmann's contributions to naphthalene chemistry through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the production of essential chemical compounds.