Company Filing History:
Years Active: 2001-2004
Title: The Innovations of Dave A Johnston
Introduction
Dave A Johnston is an accomplished inventor based in Louisville, Colorado. He has made significant contributions to the field of chemistry, particularly in the preparation of S-aryl-cysteine and its derivatives. With a total of 2 patents, Johnston's work showcases his expertise and innovative approach to scientific challenges.
Latest Patents
Johnston's latest patents focus on the preparation of S-aryl-cysteine. The present invention provides an enantioselective method for preparing S-aryl cysteine starting from cystine, cysteine, or serine amino acids. This method yields S-aryl cysteine in enantiomeric excess of greater than about 96%. His work in this area demonstrates a commitment to advancing chemical synthesis techniques.
Career Highlights
Throughout his career, Johnston has worked with notable companies such as Roche Colorado Corporation and F. Hoffmann-La Roche AG. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Johnston has collaborated with several professionals in his field, including Jack Delbert Brown and Hiralal N Khatri. These collaborations have further enriched his work and expanded his impact in the scientific community.
Conclusion
Dave A Johnston is a notable inventor whose contributions to the preparation of S-aryl-cysteine have advanced the field of chemistry. His patents and collaborations reflect his dedication to innovation and excellence in research.