This inventor holds 4 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1976-1987.
Company Filing History:
Years Active: 1976-1987
Title: David William Zunker: Innovator in Polymer Technology
Introduction
David William Zunker is a notable inventor based in Wilmington, DE (US). He has made significant contributions to the field of polymer technology, holding a total of 4 patents. His work primarily focuses on enhancing materials used in various industrial applications.
Latest Patents
Among his latest patents, Zunker has developed a "Polyvinyl alcohol based wax-free size composition." This innovative sizing solution contains a small amount of low ethylene oxide adduct of branched alcohol, which provides superior operability during sizing and weaving. The resulting fabric exhibits improved finishing performance. Another significant patent is for "Inorganic fillers modified with vinyl alcohol polymer and cationic." This invention involves modified fillers prepared by contacting inert, particulate, mineral fillers with an aqueous solution of vinyl alcohol polymer and a colloidal dispersion of cationic melamine-formaldehyde resin. These modified fillers are particularly useful in papermaking.
Career Highlights
David William Zunker is currently employed at E.I. du Pont de Nemours and Company, where he continues to innovate and develop new materials. His work has had a lasting impact on the industry, particularly in the areas of textile and paper manufacturing.
Collaborations
Throughout his career, Zunker has collaborated with notable colleagues, including Charles Vincent Murphy and Donald A. Vassallo. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
David William Zunker is a distinguished inventor whose work in polymer technology has led to significant advancements in material science. His contributions continue to influence various industries, showcasing the importance of innovation in enhancing product performance.
