Company Filing History:
4 out of 70 
1 out of 2,202 
Years Active: 1981-1984
Title: Harold Argentar: Innovator in Dental Materials
Introduction
Harold Argentar is a notable inventor residing in Rockville, MD, known for his groundbreaking work in dental materials. With a total of five patents to his name, his innovations focus on enhancing the quality and effectiveness of various acrylic resins used in dentistry.
Latest Patents
Among his latest patents, Argentar has developed a series of dioxo-piperidine substituted tertiary aromatic amine accelerators. These accelerators are derived from aminoglutethimide or para-aminophenylacetic acid and serve as catalysts for the peroxide-catalyzed polymerization of acrylic resins, particularly methacrylates, acrylates, and unsaturated polyesters. The characteristics of these amines include excellent hardening, strength, color, and low toxicity, making them particularly suitable for applications in the filling and restoration of human teeth, as well as in the cementation of bone.
Career Highlights
Argentar has made significant contributions to the field of dental materials through his innovative patents. He has worked with esteemed organizations such as the American Dental Association Health Foundation and the United States of America as represented by the Secretary of Health and Human Services. His work has greatly influenced the practices in dental restorative techniques and materials.
Collaborations
Throughout his career, Argentar has collaborated with prominent individuals in the field, including Gerhard M. Brauer and Jeffrey W. Stansbury. These collaborations have fostered advancements in dental technology and have contributed to the development of more effective dental materials.
Conclusion
Harold Argentar's contributions to the field of dental materials are both impactful and innovative. His patents not only advance the quality of dental restorations but also enhance the overall effectiveness and safety of dental procedures. As an inventor, Argentar continues to play a crucial role in transforming the landscape of dental care through his developments in acrylic resin technology.