Alfred Stutz

Title: Alfred Stutz: Pharmaceutical Process Inventor

Introduction

Alfred Stutz is an inventor associated with Zurich, Switzerland. His work includes patented processes for preparing pharmaceutical compounds and related intermediates. He is associated with Universität Zürich and Azad Pharmaceuticals Ingredients AG. His patent portfolio includes 2 patents.

Latest Patents

Stutz’s listed patents address the preparation of paricalcitol and N-methylnaltrexone bromide.

“Methods for Producing Paricalcitol” describes processes for preparing paricalcitol, novel intermediates used in those processes, and methods for preparing the intermediates.

“Method for Producing N-Methylnaltrexone Bromide” describes a process in which a compound containing a non-bromide anion is dissolved or dispersed in a suitable polar solvent and combined with a bromide-containing compound. The mixture is stirred until N-methylnaltrexone bromide forms and crystallizes. When the starting compound includes a leaving group, that group is removed during or after the reaction.

Career Highlights

Stutz’s patent work focuses on chemical processes relevant to pharmaceutical manufacturing. The listed inventions cover both the preparation of active compounds and the intermediates used to produce them.

Collaborations

Stutz is associated with Universität Zürich and Azad Pharmaceuticals Ingredients AG. His listed coworkers include Hans-Ulrich Bichsel and Pascal Schär.

Conclusion

Alfred Stutz’s recorded inventions highlight his contributions to pharmaceutical process development, particularly methods for preparing paricalcitol and N-methylnaltrexone bromide.