Company Filing History:
Years Active: 1976-1989
Title: Innovations and Contributions of Howard Johnston in Herbicide Chemistry
Introduction
Howard Johnston is a prolific inventor based in Walnut Creek, California, with an impressive portfolio of 24 patents. His work primarily focuses on novel chemical compounds that have significant applications in agriculture, particularly in herbicide development. His contributions have had a profound impact on the effectiveness of controlling grassy weeds, making him a notable figure in the field.
Latest Patents
Among his recent innovations are the patents for 2,3-Difluoropyridine and 3-fluoro-2-pyridinyloxyphenol compounds. These patents describe a series of novel pyridinyloxyphenoxy alkanoic acids, pyridinylthiophenoxy alkanoic acids, and their derivatives. Specifically, these compounds are characterized by a fluorine substituent in the 3-position of the pyridinyl group and various substituents like chlorine, CF3, CF2Cl, or CF2H in the 5-position. Remarkably, these compounds exhibit surprising preemergent and postemergent activity in controlling grassy weeds, showcasing Johnston's innovative approach to herbicide chemistry.
Career Highlights
Howard Johnston has built a distinguished career at The Dow Chemical Company, a leading player in the chemical industry renowned for its commitment to innovation. His extensive work on herbicidal agents has positioned him as a leading expert in the field, driving forward the company's research and development initiatives aimed at creating effective agricultural solutions.
Collaborations
Throughout his career, Johnston has collaborated with notable colleagues, including Lillian H. Troxell and Herman O. Senkbeil. These collaborations have facilitated the exchange of ideas and fostered a creative environment that has led to several groundbreaking innovations in herbicide technology.
Conclusion
In summary, Howard Johnston's contributions to the field of herbicide development have not only advanced scientific understanding but also provided practical solutions for agricultural challenges. His work continues to influence the industry, underlining the importance of innovation in the quest for sustainable agricultural practices.