Herbert Lee Marko

Title: Innovations in Liquid Toner: The Contributions of Herbert Lee Marko

Introduction

Herbert Lee Marko, an innovative inventor based in Maylands, Australia, has made significant strides in the field of liquid toners and inks. With three patents to his name, his research and innovations have transformed how printing materials are prepared, leading to improved performance characteristics such as flow behavior and optical density.

Latest Patents

Marko's latest contributions include two notable patents. The first, titled "Marking liquid method of preparation and product produced thereby," introduces a method of preparing a liquid electrostatographic toner or liquid inkjet ink. This method involves several steps, including heating a mixture of resin and colorant in a carrier liquid, cooling, and mixing under high shear. The resultant toner or ink boasts enhanced Newtonian-like flow behavior, improved electrical properties, reduced sedimentation and agglomeration, along with significantly better optical density and less background.

The second patent, "Polymerization stabilizers," details a method for preparing liquid inks or toners by dispersing a monomer in a carrier fluid along with a polymerization stabilizer comprising polysiloxane. The method includes in situ polymerization of the monomer to create uniformly dispersed polymer particles in the carrier fluid. This technology utilizes multi or single functional groups such as amino, carboxylic acid, vinyl, and hydroxyl to enhance the properties of the ink or toner.

Career Highlights

Herbert Lee Marko is associated with Research Laboratories of Australia Pty Ltd., where he has harnessed his skills and knowledge to push the boundaries of printing technology. His expertise in developing methods for preparing liquid toners and inks has garnered attention in the industry.

Collaborations

Throughout his career, Marko has likely collaborated with other researchers and professionals in the field, contributing to advancements in printing technology. These collaborations have enabled him to refine his methodologies and produce innovative solutions that meet the demands of modern printing applications.

Conclusion

Herbert Lee Marko's contributions to the field of liquid toners and inks represent a significant advancement in printing technology. His patented innovations not only enhance the performance of these materials but also pave the way for future developments in the industry. As research continues to evolve, Marko’s work stands as a testament to the impact of creativity and innovation in the realm of printing and materials science.