Carl J Schaefer

Title: The Innovations of Carl J Schaefer

Introduction

Carl J Schaefer is a notable inventor based in Crestwood, MO (US). He has made significant contributions to the field of chemistry, particularly in the synthesis of pharmaceutical compounds. With a total of 3 patents to his name, Schaefer's work has had a meaningful impact on the industry.

Latest Patents

One of Schaefer's latest patents is focused on the synthesis of methylphenidate and its analogs. This synthetic process involves reacting an amino acid, such as α-phenyl-α-(2-piperidinyl)acetic acid, with an alcohol like methanol in the presence of an acid and a water sequestrant. The process allows for the isolation of the α-phenyl-α-(2-piperidinyl)acetic acid methyl ester from the reaction mixture. Another innovative patent involves molybdenum-modified vanadium-phosphorus oxide catalysts. This patent describes a method for creating an active catalyst by reacting a pentavalent vanadium-containing compound with a pentavalent phosphorus-containing compound in an alcohol medium. The resulting molybdenum-modified precursor composition is then activated to form an effective catalyst.

Career Highlights

Throughout his career, Carl J Schaefer has worked with prominent companies such as Huntsman Petrochemical Corporation and Mallinckrodt, Inc. His experience in these organizations has contributed to his expertise in chemical processes and innovations.

Collaborations

Schaefer has collaborated with notable colleagues, including Timothy R Felthouse and Robert A Keppel. These partnerships have likely enhanced his research and development efforts in the field.

Conclusion

Carl J Schaefer's contributions to the field of chemistry through his patents and collaborations highlight his innovative spirit and dedication to advancing pharmaceutical synthesis. His work continues to influence the industry and inspire future inventors.