Company Filing History:
Years Active: 1999-2016
Title: J Robert Durrwachter: Innovator in Chemical Synthesis
Introduction
J Robert Durrwachter is a notable inventor based in Charles City, IA (US). He has made significant contributions to the field of chemical synthesis, holding a total of 2 patents. His work focuses on innovative processes that enhance the purity and efficiency of chemical compounds.
Latest Patents
Durrwachter's latest patents include a groundbreaking process for the synthesis of 4,5,6,7-tetrachloro-3',6′-dihydroxy-2′, 4′, 5′, 7′-tetraiodo-3H-spiro[isobenzofuran-1, 9′-xanthen]-3-one, commonly known as Rose Bengal. This new method allows for the manufacture of iodinated xanthenes in high purity, utilizing a cyclization step followed by an iodination step. Notably, this process eliminates the need for extraction, chromatographic, or solvent concentration steps, isolating both intermediate and final compounds through filtration or similar means. The process operates at temperatures below 100°C and avoids the use of chloride ions and related species, preventing the formation of undesirable impurities. Additionally, several new compounds have been conceived and isolated using these methods, which are also being developed into new medicaments. Another patent involves a process for preparing oximidazoles, which includes the preparation of an imidazolone and its pharmaceutically acceptable salts.
Career Highlights
Throughout his career, Durrwachter has worked with prominent companies such as Salsbury Chemicals, Inc. and Provectus Pharmaceuticals, Inc. His experience in these organizations has contributed to his expertise in chemical synthesis and innovation.
Collaborations
Durrwachter has collaborated with notable coworkers, including Jamie Singer and Eric A Wachter. These partnerships have likely fostered a creative environment that encourages the development of new ideas and processes.
Conclusion
J Robert Durrwachter's contributions to chemical synthesis through his innovative patents highlight his role as a significant inventor in the field. His work continues to influence the development of new compounds and medicaments, showcasing the importance of innovation in science.
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.