Donald R Allred

Title: The Innovations of Donald R. Allred

Introduction

Donald R. Allred is a notable inventor based in Westford, MA, with a focus on advancements in printing technology and mordanting substrates. He holds three patents that showcase his innovative contributions to these fields. His work has significantly impacted the way dyes are immobilized in substrates and how ink jet printing is performed.

Latest Patents

One of Allred's latest patents involves the development of mordanting substrates and agents. This invention provides a porous substrate that includes a mordanting agent, which is preferably a cationic polymer soluble in polar solvents. The unique combination of the substrate's porosity and the polymer's solubility allows for excellent binding of dye to the fibers within the substrate. Another significant patent focuses on dot-on-dot ink jet printing using inks of differing densities. This invention features an ink jet printer with multiple ink jets that utilize the same dye but in varying densities, enhancing the quality and versatility of printed articles.

Career Highlights

Allred's career is marked by his role at Iris Graphics, Inc., where he has contributed to the development of innovative printing solutions. His expertise in the field has led to advancements that benefit both the industry and consumers alike.

Collaborations

Throughout his career, Allred has collaborated with notable colleagues, including John L. Ingraham and Foster M. Fargo, Jr. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Donald R. Allred's contributions to the fields of mordanting substrates and ink jet printing demonstrate his commitment to innovation. His patents reflect a deep understanding of materials and processes that enhance the functionality of printing technologies. His work continues to influence the industry and inspire future advancements.