Company Filing History:
Years Active: 1999
Title: George A. Hespe: Innovator in Polyurethane Adhesives
Introduction
George A. Hespe is a notable inventor based in Belle Mead, NJ (US). He has made significant contributions to the field of adhesives, particularly with his innovative work on polyurethane hotmelt adhesives. His expertise and dedication to research have led to the development of a unique adhesive composition that is both effective and environmentally friendly.
Latest Patents
Hespe holds a patent for "Polyurethane hotmelt adhesives with reactive acrylic copolymers." This invention describes a solvent-free one-part hot melt polyurethane adhesive or sealant composition that remains solid at room temperature. The composition comprises 10 to 70% by weight of a urethane prepolymer with an isocyanate content of 0.25 to 15% and an isocyanate index greater than 1. Additionally, it includes 30 to 90% by weight of an ethylenically unsaturated polymer with a number average molecular weight of 4,000 to 15,000, as determined by Gel Permeation Chromatography. The polymer is designed to contain sufficient hydroxyl functionality to provide an OH number of 5 to 15.
Career Highlights
George A. Hespe is associated with National Starch and Chemical Investment Holding Corporation, where he has contributed to various projects and innovations in adhesive technology. His work has been instrumental in advancing the capabilities of polyurethane adhesives, making them more versatile and efficient for industrial applications.
Collaborations
Throughout his career, Hespe has collaborated with talented individuals such as Ju-Ming Hung and James W. Nowicki. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
George A. Hespe's contributions to the field of polyurethane adhesives exemplify his commitment to innovation and excellence. His patent for a solvent-free hot melt adhesive showcases his ability to combine functionality with environmental considerations. His work continues to influence the adhesive industry and inspire future innovations.