Company Filing History:
Years Active: 1991
Title: The Innovative Mind of Francis M Stark
Introduction
Francis M Stark is an esteemed inventor based in Saint Paul, Minnesota, known for his significant contributions to the field of adhesive technology. With a total of two patents to his name, Stark's innovations have enhanced various applications within the manufacturing and adhesive industries.
Latest Patents
Stark's latest inventions include a cutting-edge pressure-sensitive adhesive. This adhesive consists of approximately 50 to 95 weight percent of an ultraviolet radiation polymerized polymer of predominantly alkyl acrylate monomers with 4 to 12 carbon atoms. It also incorporates a mix of strongly and moderately polar copolymerizable monomers and tackifying resins to enhance adhesion properties. Notably, this adhesive boasts a monomer conversion factor of at least 98% and maintains excellent storage stability, losing no more than 70% of its adhesion after being aged at 70 degrees Celsius for two weeks.
Another of Stark’s notable inventions is a tackified terpolymer adhesive, which combines an acrylic terpolymer pressure-sensitive adhesive with a hydrogenated rosin ester tackifying agent and a photoinitiator. This specific formulation lowers the glass transition temperature compared to similar adhesives that do not include the tackifying agent, showcasing Stark's inventive approach to solving performance challenges in adhesive applications.
Career Highlights
Stark is an integral member of the Minnesota Mining and Manufacturing Company (3M), where he has crafted a niche for himself in the development of high-performance adhesives. His role in the organization has enabled him to lead innovative projects that elevate 3M's commitment to quality and technology in the adhesive market.
Collaborations
Stark has collaborated with notable colleagues, including John D Moon and Michael K Martin. Their joint efforts have facilitated the successful development of adhesive products that meet diverse market needs, demonstrating the power of collaboration in fostering innovation.
Conclusion
Overall, Francis M Stark's contributions to adhesive technology illustrate his inventive spirit and commitment to improving industrial applications. With two confirmed patents and a history of collaboration with talented individuals at 3M, Stark continues to be a pivotal figure in the evolution of modern adhesives, paving the way for future advancements in the field.