This inventor holds 2 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1976-1978.
Company Filing History:
Years Active: 1976-1978
Title: Siegfried Pietzsch: Innovator in Chemical Processes
Introduction
Siegfried Pietzsch is a notable inventor based in Kelkheim, Germany. He has made significant contributions to the field of chemical processes, particularly in the manufacture of specialized compounds. With a total of 2 patents to his name, Pietzsch has demonstrated a commitment to innovation in his field.
Latest Patents
Pietzsch's latest patents include a process for the manufacture of naphthalene-monosulfonic acids. This process involves the preparation of naphthalene-monosulfonic acids from naphthalene and sulfuric acid at elevated temperatures. Another significant patent is for the manufacture of anhydrous alkali metal arylate solutions. This process describes how anhydrous organic solutions of alkali metal arylates are prepared by dissolving an alkali metal arylate or reacting an arylhydroxy compound with alkali metal hydroxide in a ketone that is immiscible or incompletely miscible with water at room temperature, followed by the removal of any water from the solution through azeotropic distillation with reflux.
Career Highlights
Pietzsch is associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work at Hoechst has allowed him to focus on innovative chemical processes that have practical applications in various sectors.
Collaborations
Throughout his career, Pietzsch has collaborated with notable colleagues, including Georg Schaeffer and Siegfried Bildstein. These collaborations have contributed to the advancement of chemical processes and innovations in the industry.
Conclusion
Siegfried Pietzsch is a distinguished inventor whose work in chemical processes has led to valuable patents and advancements in the field. His contributions continue to influence the industry and inspire future innovations.