This inventor holds 3 USPTO granted patents. Top assignee: Nepera, Inc.. Active years: 1987-1991.
Company Filing History:
Years Active: 1987-1991
Title: The Innovations of Henry Wetstein
Introduction
Henry Wetstein is a notable inventor based in Monroe, NY (US). He has made significant contributions to the field of chemistry, particularly in the production of pyridine and its derivatives. With a total of 3 patents to his name, Wetstein's work has had a considerable impact on industrial processes.
Latest Patents
Wetstein's latest patents include innovative methods for enhancing the yield of pyridine and alkylpyridine in condensation reactions. One of his notable inventions involves adding a third aldehyde or ketone to a binary mixture of aldehydes and/or ketones. This method allows for the adjustment of product ratios and achieves a high total yield of pyridines without requiring plant shut-downs. In a preferred system, propionaldehyde is introduced to a mixture of acetaldehyde and formaldehyde, resulting in unexpectedly high amounts of beta-pyridine and pyridine. Another significant patent focuses on the preparation of UV-grade synthetic pyridine. This method recovers a pyridine-water azeotrope from a reaction product mixture, ensuring that the pyridine is sufficiently free of UV-absorbing compounds to meet UV-grade standards.
Career Highlights
Henry Wetstein is currently associated with Nepera, Inc., where he continues to innovate and develop new chemical processes. His work has been instrumental in advancing the production techniques of pyridine, which is widely used in various applications, including pharmaceuticals and agrochemicals.
Collaborations
Wetstein has collaborated with several professionals in his field, including David Feitler and Wolfgang Schimming. These collaborations have further enriched his research and development efforts.
Conclusion
Henry Wetstein's contributions to the field of chemistry, particularly through his patents, demonstrate his commitment to innovation and excellence. His work continues to influence the industry and pave the way for future advancements in chemical production.