Company Filing History:
Years Active: 1988-1990
Title: The Innovations of Sten Porrvik
Introduction
Sten Porrvik is a notable inventor based in Sundsvall, Sweden. He has made significant contributions to the field of electrophotographic technologies, holding a total of three patents. His work focuses on the development of toner particles that enhance the efficiency and quality of electrophotographic copying processes.
Latest Patents
Porrvik's latest patents include innovative advancements in toner particles for electrophotographic copying. One of his patents details a toner for electrophotographic methods and the process for preparing the same. Another significant patent describes a toner and a method for the preparation of toner particles that consist of monodisperse spherical thermoplastic particles. These particles have a coefficient of variation below 30 percent and a mean diameter between 2 and 50 micrometers. The particles are designed with a shell of polymeric material in which a colorant is distributed. The preparation process involves treating monodispersed spherical polymerized base particles with a shell-polymer and a colorant to achieve a uniform distribution of additives.
Career Highlights
Sten Porrvik is associated with Casco Nobel AB, where he applies his expertise in developing advanced toner technologies. His work has contributed to the improvement of electrophotographic methods, making them more efficient and effective.
Collaborations
Porrvik has collaborated with notable colleagues such as Bertil Hedvall and Gunnar Mattson. Their combined efforts have furthered the advancements in the field of electrophotographic technologies.
Conclusion
Sten Porrvik's innovative work in toner particle development has made a significant impact on electrophotographic copying processes. His contributions continue to influence the industry and enhance the quality of printing technologies.