Company Filing History:
5 out of 7,865 
1 out of 621 
Years Active: 1995-1997
Title: John C Haidos: Innovator in Polymer Dispersions and Thermographic Elements
Introduction
John C Haidos is a notable inventor based in Saint Paul, MN (US), recognized for his contributions to the field of polymer dispersions and thermographic elements. With a total of 6 patents to his name, Haidos has made significant advancements that enhance the performance and stability of various materials used in industrial applications.
Latest Patents
Haidos' latest patents include innovative technologies such as a dispersing polymer for phthalocyanine pigments. This invention describes a pigment dispersion that utilizes a dispersing polymer with pendant quaternary ammonium salt groups, resulting in a highly dispersed and stable millbase. This pigment dispersion is compatible with poly(vinylbutyral) resins and remains stable in ketone solvents, making it particularly useful as a charge-generating or charge-transport material in organic photoconductor constructions. Another significant patent is for a thermographic element featuring an improved anti-stick coating. This element consists of a substrate, an image-forming layer, and a topcoat layer made from a polymer that includes various interpolymerized units. The topcoat layer enhances the gloss of the imaged areas and ensures excellent runnability without chatter during the feed direction, preventing the formation of printhead-created voids.
Career Highlights
Throughout his career, John C Haidos has worked with prominent companies, including Minnesota Mining and Manufacturing Company and Imation Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in material science and engineering.
Collaborations
Haidos has collaborated with notable professionals in his field, including Ravindra L Arudi and Nelson T Rotto. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
John C Haidos stands out as an influential inventor whose work in polymer dispersions and thermographic elements has made a lasting impact on the industry. His innovative patents continue to pave the way for advancements in material applications.