Harold S Freeman

Title: Harold S Freeman: Innovator in Textile Decolorization and Functionalization

Introduction

Harold S Freeman is a notable inventor based in Raleigh, NC, with a significant contribution to the field of textile materials. He holds a total of seven patents, showcasing his innovative approaches to decolorizing synthetic polymers and functionalizing fibrous materials.

Latest Patents

Among his latest patents is a method for decolorizing textile materials. This method involves treating a dye-colored synthetic polymer, such as polyester, with a treatment composition at a pH of 6 or less. The composition includes sodium formaldehyde sulfoxylate, water, and a ketone, resulting in a decolorized synthetic polymer that is then separated from the treatment composition. Another significant patent focuses on functionalizing fibrous materials that contain multiple hydroxyl groups. This process includes reacting the fibrous material with a specific compound to obtain a functionalized fibrous material, which can be dyed and used in clothing articles.

Career Highlights

Freeman has had a distinguished career, working with reputable organizations such as North Carolina State University and Burroughs Wellcome Co. His work has significantly impacted the textile industry, particularly in enhancing the properties of synthetic materials.

Collaborations

Throughout his career, Freeman has collaborated with notable individuals, including Abraham Reife and David Hinks. These collaborations have contributed to the advancement of his innovative projects and patents.

Conclusion

Harold S Freeman's contributions to textile innovation through his patents reflect his expertise and dedication to improving synthetic materials. His work continues to influence the industry and inspire future innovations.