David W Ziettlow

Title: The Innovations of David W. Ziettlow

Introduction

David W. Ziettlow is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of chemistry, particularly in the development of methods related to cellulose ether and terfenadine. With a total of 2 patents, Ziettlow's work showcases his innovative approach to solving complex chemical challenges.

Latest Patents

Ziettlow's latest patents include a method for removing alkylene halogenohydrin from cellulose ether. This method involves adding water to the cellulose ether and subsequently removing the alkylene halogenohydrin and water through evaporation. Alternatively, steam can be used to effectively remove halogenohydrin from the cellulose ether. Another significant patent is for the preparation of polymorphically pure terfenadine. This compound, 1-(p-tert-butylphenyl)-4-[4'-(α-hydroxydiphenylmethyl)-1'-piperidiny l]-butanol, is produced using carefully controlled recrystallization methods.

Career Highlights

Throughout his career, Ziettlow has worked with prominent companies such as Merrell Dow Pharmaceuticals and Dow Global Technologies LLC. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Ziettlow has collaborated with notable coworkers, including Timothy G. Fawcett and Christian T. Goralski. These partnerships have further enhanced his research and development efforts in the field of chemistry.

Conclusion

David W. Ziettlow's contributions to the field of chemistry through his patents and collaborations highlight his innovative spirit and dedication to advancing scientific knowledge. His work continues to influence the industry and inspire future inventors.