Company Filing History:
2 out of 9 
1 out of 1 Years Active: 1984-1985
Title: Roy R Russell: Innovator in Dental Health
Introduction
Roy R Russell is a notable inventor based in Bromley, GB, recognized for his contributions to dental health through innovative patents. With a total of three patents to his name, Russell has made significant strides in the field of dental care, particularly in the prevention of dental caries.
Latest Patents
One of Russell's latest patents focuses on protection against dental caries. This invention involves an antigenic protein, termed antigen A, which is present on the cell walls and in cultures of Streptococcus mutans, especially genetic group I (serotypes c, e, and f). The patent describes a method to separate this protein from other antigenic proteins that may cross-react with heart tissue. The resulting antigenic preparation can be utilized as a vaccine or to raise antibodies for protection against dental caries. Antigen A has a molecular weight of approximately 29,000 and an isoelectric point ranging from 4.1 to 4.5. The patent also details the purification process of the antigen from culture filtrates and cell extracts using techniques such as fractional ammonium sulfate precipitation and affinity chromatography.
Career Highlights
Throughout his career, Roy R Russell has worked with significant organizations, including the Secretary of State for Social Services in Her Britannic Majesty's Government. His work in these roles has contributed to his understanding and development of innovative solutions in dental health.
Collaborations
Russell has collaborated with Geoffrey Colman, enhancing his research and development efforts in the field of dental care.
Conclusion
Roy R Russell's innovative work in dental health, particularly his patents related to the prevention of dental caries, showcases his commitment to improving oral health. His contributions are significant in the ongoing battle against dental diseases.