This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignees: Massachusetts Institute of Technology, The Pillsbury Company. Active years: 1991-1992.
Company Filing History:
3 out of 8,573 
2 out of 290 
Years Active: 1991-1992
Title: The Innovative Contributions of Marcus Karel
Introduction
Marcus Karel is a notable inventor based in Newton, MA (US). He has made significant contributions to the field of food technology and packaging through his innovative patents. With a total of 3 patents, Karel's work focuses on enhancing product safety and quality.
Latest Patents
One of Karel's latest patents is a visual indicator system designed to identify packages that may be subject to tampering or deterioration due to oxygen exposure. This multi-component system is sensitive to oxygen and can be prepared aerobically before being placed in an anaerobic environment for use. Importantly, it remains unaffected by reducing agents commonly found in foods, drugs, and cosmetics. Another significant patent is a method of coloring foods, which utilizes a color system comprising a diluent and a colorant in particle form. This method allows for control over the color of food by adjusting the particle size and dilution ratio of the colorants, which become visible when the food is exposed to heat.
Career Highlights
Throughout his career, Marcus Karel has worked with prestigious organizations, including the Massachusetts Institute of Technology and The Pillsbury Company. His experience in these institutions has allowed him to develop and refine his innovative ideas.
Collaborations
Karel has collaborated with notable individuals in his field, including Israel A Saguy and Ernst Graf. Their combined expertise has contributed to the advancement of food technology and packaging solutions.
Conclusion
Marcus Karel's inventive spirit and dedication to improving food safety and quality through his patents have made a lasting impact in his field. His work continues to inspire future innovations in food technology.