Company Filing History:
Years Active: 2013-2016
Title: Richard Griffith Freeman: Innovator in Surface-Enhanced Spectroscopy
Introduction
Richard Griffith Freeman is a notable inventor based in Mountain View, CA (US). He holds 2 patents that contribute significantly to the field of surface-enhanced spectroscopy. His innovative work focuses on developing advanced methods and materials for detecting substances at a molecular level.
Latest Patents
Freeman's latest patents include groundbreaking technologies. One patent describes particles comprising hollow surface-enhanced spectroscopy (SES)-active cores for long wavelength SERS. This invention includes a particle with a surface-enhanced spectroscopy-active core and a SES-active reporter molecule. The particle exhibits a measurable SES spectrum when excited by incident light with a wavelength of at least 1400 nm. Alternative embodiments of this patent also cover methods for manufacturing the particle and tagging materials with it.
Another significant patent involves melamine assay methods and systems. This method detects melamine by utilizing SERS-active particles mixed with a solution containing melamine. The process includes detecting a surface-enhanced Raman spectrum of the melamine. The method may also involve aggregating the SERS-active particles and using a chaotropic agent to enhance detection accuracy.
Career Highlights
Throughout his career, Freeman has worked with prominent companies such as Sicpa Holding SA and Cabot Security Materials, Inc. His experience in these organizations has allowed him to refine his expertise in spectroscopy and materials science.
Collaborations
Freeman has collaborated with notable individuals in his field, including Michael J. Natan and William E. Doering. These partnerships have contributed to the advancement of his research and innovations.
Conclusion
Richard Griffith Freeman is a distinguished inventor whose work in surface-enhanced spectroscopy has led to significant advancements in detection methods. His contributions continue to impact the scientific community and pave the way for future innovations.
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