Company Filing History:
23 out of 16,338 
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Years Active: 1984-2025
Title: Donald J Dumas: Innovator in Chemical Processes
Introduction
Donald J Dumas is a prominent inventor based in Wilmington, Delaware, known for his significant contributions to the field of chemical processes. With an impressive portfolio of 25 patents, he has established himself as a key figure in chemical innovation, particularly in the synthesis of specialized compounds.
Latest Patents
Among his latest innovations is a patented process to prepare 3-methyl-2-nitrobenzoic acid through air oxidation. This method involves the combination of 1,3-dimethyl-2-nitrobenzene with an oxidation catalyst, utilizing an oxygen source and an initiator, ensuring that less than 99% of the 1,3-dimethyl-2-nitrobenzene is oxidized. Additionally, he has developed a method for preparing compounds characterized by using 3-methyl-2-nitrobenzoic acid, with structures defined by R as C-Calkyl, C-Ccycloalkyl, or C-Calkylcycloalkyl.
Career Highlights
Throughout his career, Donald J Dumas has worked with notable organizations, most prominently E.I. Dupont De Nemours and Company. His innovative work at these institutions has led to advancements that bridge the gap between chemical research and industrial applications.
Collaborations
Donald has collaborated with esteemed colleagues, including George C Sonnichsen and Vinayakam Subramanyam. These partnerships have fostered innovation and have been instrumental in the development of new chemical methods and processes.
Conclusion
Donald J Dumas continues to be a leading figure in the chemical industry, contributing to advancements in chemical synthesis and innovation. His extensive patent portfolio and collaborative efforts underscore his commitment to pushing the boundaries of chemical engineering.