Location History:
- Concord, CA (US) (1980 - 1993)
- Indianapolis, IN (US) (1995 - 2001)
Company Filing History:
7 out of 137 
7 out of 7,680 
6 out of 1,249 
Years Active: 1980-2001
Title: **John C Van Heertum: Innovator in Herbicide Development**
Introduction
John C Van Heertum, based in Indianapolis, IN, is an accomplished inventor with a remarkable portfolio of 22 patents. His work primarily focuses on the development of innovative herbicides that enhance agricultural productivity and sustainability.
Latest Patents
Some of his latest patents include compounds such as N-(1,2,4-triazoloazinyl)benzenesulfonamide and pyridinesulfonamide, which have been proven effective as herbicides. Noteworthy examples of these include 2,6-dimethoxy-N-(8-chloro-5-methoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-yl)benzenesulfonamide and 2-methoxy-6-methoxycarbonyl-N-(5,8-dimethoxy[1,2,4]triazolo[1,5-a]pyridin-2-yl)benzenesulfonamide, which were synthesized from uniquely substituted triazolo compounds and sulfonyl chlorides. These innovations demonstrate promising applications for controlling unwanted vegetation, making them invaluable to agricultural practices.
Additionally, he has developed benzoic acid compounds, including 1-Alkyl-4-benzoyl-5-hydroxypyrazole, which target a range of broadleaf and grassy weeds. These compounds possess versatile application methods, either preemergently or postemergently, allowing for selective or non-selective control of vegetation.
Career Highlights
Throughout his professional journey, John has contributed his expertise to significant companies in the agricultural sector, including DowElanco and The Dow Chemical Company. His work within these organizations has been pivotal in advancing herbicide technology, addressing challenges associated with weed control.
Collaborations
During his career, John has had the opportunity to collaborate with notable colleagues, including William A. Kleschick and Robert J. Ehr. These collaborations have facilitated the development of meaningful innovations in the realm of herbicides, further showcasing the importance of teamwork in scientific research and invention.
Conclusion
John C Van Heertum's contributions to herbicide development underscore the significance of innovation in agriculture. With an impressive collection of patents and notable collaborations, he continues to exemplify the role of inventors in shaping industry standards and improving crop management practices for a sustainable future.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.