Richard Neuzil

Title: Richard Neuzil and His Thermoplastic Polyurethane Patent.

Introduction

Richard Neuzil is an inventor associated with Seminole, Florida. His patent work includes a method for producing thermoplastic polyurethane with improved resistance to yellowing, including formulations intended for ophthalmic applications.

Latest Patents

The supplied information identifies one patent for Neuzil: “Method of converting a polymerizable composition into thermoplastic polyurethane of improved yellowness index and article obtained by this method.” The method combines polyurethane precursors with an antioxidant and a light stabilizer, which may be incorporated before, during, or after polymerization. The specified antioxidant is a benzenepropanoic acid ester, and the light-stabilizer system includes a piperidinyl malonate together with at least one additional component selected from specified benzotriazole-based compounds. The approach is intended to improve the light stability and yellowness characteristics of the resulting thermoplastic polyurethane. The supplied record lists 1 patent.

Career Highlights

Neuzil’s listed company affiliations include Essilor International (Compagnie Générale d’Optique) and Essilor International. The patent’s focus on light stabilization and optical materials aligns with applications relevant to ophthalmic products.

Collaborations

The supplied information names Timothy E. Herod and Hao-Wen Chiu as Neuzil’s coworkers. Their inclusion indicates professional connections associated with his work, though the available details do not specify their roles in the patent.

Conclusion

Richard Neuzil’s listed patent addresses the production of more light-stable thermoplastic polyurethane, with potential relevance to ophthalmic applications and optical materials.