Company Filing History:
4 out of 15,471 
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1 out of 539 Years Active: 1989-1993
Title: The Innovative Contributions of Roger C. Helgeson
Introduction: Roger C. Helgeson, a distinguished inventor based in Canuga Park, California, has made significant contributions to the field of chemistry through his innovative works. With four patents to his name, Helgeson's inventions particularly focus on the development of new compounds used for the measurement of ions in aqueous solutions.
Latest Patents: Among his latest patents, two stand out for their groundbreaking discoveries. The first is titled "Chromogenic Hemispherands and Their Preparation," which introduces a novel class of compounds known as chromogenic hemispherands. These compounds are defined by their unique structure and are instrumental in measuring ions in aqueous solutions. The second patent, "Chromogenic Cryptahemispherands and Their Preparation," further extends this innovation by exploring chromogenic cryptahemispherands that serve a similar purpose. Both inventions highlight Helgeson’s expertise in developing chemical compounds that improve ion measurement techniques.
Career Highlights: Throughout his career, Helgeson has collaborated with renowned organizations such as the University of California and Technicon Instruments Corporation. His work in these institutions has not only refined his research capabilities but has also facilitated numerous innovative projects that have impacted various scientific fields.
Collaborations: In his journey as an inventor, Helgeson has worked alongside respected figures in the scientific community, including Donald J. Cram and Eddy Chapoteau. Collaborating with such distinguished colleagues has allowed him to expand his research scope and enhance the impact of his inventions on the industry.
Conclusion: Roger C. Helgeson’s contributions to the field of chemistry through his patent work exemplify the essence of innovation. His dedication to discovering new compounds for ion measurement continues to inspire researchers and inventors alike. As a noteworthy figure in the realm of patents and inventions, Helgeson's legacy is a testament to the role of creativity and collaboration in advancing scientific knowledge.