This inventor holds 17 USPTO granted patents. Top assignees: Novus International, Inc., Monsanto Company, Other. Active years: 1990-2003.
Location History:
- Chesterfield, MO (US) (1990 - 2002)
- St. Louis, MO (US) (1999 - 2003)
Company Filing History:
14 out of 87 
2 out of 3,289 
1 out of 834,411 Years Active: 1990-2003
Title: Yung C Hsu: Innovator in Chemical Processes
Introduction
Yung C Hsu is a prominent inventor based in St. Louis, MO (US), known for his significant contributions to chemical processes. With a total of 17 patents to his name, Hsu has made remarkable advancements in the field of chemistry, particularly in the preparation of various chemical compounds.
Latest Patents
Hsu's latest patents include a process for the preparation of 3-(methylthio)propanal. This innovative process involves a liquid reaction medium that is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium contains 3-(methylthio)propanal, methyl mercaptan, and a catalyst for the reaction between methyl mercaptan and acrolein. The gaseous acrolein feed stream comprises acrolein vapor and non-condensable gas, which is transferred to the reaction medium to produce a liquid reaction product containing 3-(methylthio)propanal. The non-condensable gas is then separated from the liquid reaction product, which is divided into a product fraction and a circulating fraction that is recycled to the gas/liquid contact zone.
Another notable patent is the continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or its salts. This process includes introducing an aqueous mineral acid into a nitrile hydrolysis reactor and continuously hydrolyzing 2-hydroxy-4-methylthiobutanenitrile to produce a nitrile hydrolysis reactor product stream containing 2-hydroxy-4-methylthiobutanamide. This product stream is then introduced into an amide hydrolysis flow reactor, where it is further hydrolyzed to produce an aqueous hydrolyzate product containing 2-hydroxy-4-methylthiobutanoic acid, which is subsequently recovered.
Career Highlights
Throughout his career, Hsu has worked with notable companies such as Novus International, Inc. and Monsanto Company. His experience in these organizations has contributed to his expertise in chemical processes and innovation.
Collaborations
Hsu has collaborated with esteemed colleagues, including Dennis A Ruest and Thomas F Blackburn, further enhancing his contributions to the field of chemistry.
Conclusion
Yung C Hsu's innovative