Company Filing History:
Years Active: 1992
Title: Marc E Halpern: Innovator in Chemical Compounds
Introduction
Marc E Halpern is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of chemistry, particularly in the development of novel compounds that have practical applications in agriculture.
Latest Patents
Marc E Halpern holds 2 patents related to the preparation of 2-hydrocarbyl-3,6-dichloropyridines. His patents detail a two-step process involving the use of dichloromethyl hydrocarbyl ketones and acrylonitrile. The first step is an addition reaction under basic conditions, which forms an intermediate known as 1,1-dichloro-3-cyanopropyl hydrocarbyl ketones. The second step involves a cyclization reaction in the presence of hydrogen chloride. This innovative process allows for the preparation of 3,6-dichloro-2-methylpyridine from 1,1-dichloro-2-propanone and acrylonitrile, leading to the formation of 4,4-dichloro-5-oxo-hexanenitrile. The intermediates and products developed through this process are useful in the preparation of herbicides and nitrification inhibitors.
Career Highlights
Marc E Halpern is associated with The Dow Chemical Company, where he has been able to apply his expertise in chemical innovations. His work has contributed to advancements in the field, particularly in the synthesis of compounds that have agricultural applications.
Collaborations
Throughout his career, Marc has collaborated with notable colleagues, including Jon A Orvik and Thomas J Dietsche. These collaborations have likely enhanced the scope and impact of his research and innovations.
Conclusion
Marc E Halpern is a distinguished inventor whose work in chemical compounds has significant implications for agriculture. His innovative patents and collaborations reflect his commitment to advancing the field of chemistry.