Leonard F Zaporowski

Title: Leonard F. Zaporowski: Innovator in Fabric Conditioning and Esteramine Production

Introduction

Leonard F. Zaporowski is a notable inventor based in Arlington Heights, IL (US). He has made significant contributions to the field of fabric conditioning and esteramine production. With a total of 2 patents to his name, Zaporowski's work has had a meaningful impact on the industry.

Latest Patents

Zaporowski's latest patents include innovative formulations and methods. One of his patents focuses on fabric softener compositions. This invention comprises an esterquat mixture of quaternized mono-, di-, and tri-esters of alkanolamine. The tri-esterquat content of the quaternized esterquat mixture is greater than 25% by weight, while the combined di-esterquat and tri-esterquat content exceeds 78% by weight. Additionally, the composition boasts a free fatty acid content greater than 1% by weight based on the weight of the esterquat mixture. This fabric conditioning active composition provides high viscosity when dispersed in water at low concentrations of 0.5% to 12%, eliminating the need for additional polymeric thickeners or other thickening additives.

Another significant patent involves a catalyst for esteramine production. This invention provides methods for decreasing the reaction time between an alkanolamine, such as triethanolamine, and a fatty acid alkyl ester. The methods utilize a divalent zinc catalyst to facilitate and accelerate an esterification or transesterification reaction between the alkanolamine and the fatty acid or fatty acid alkyl ester.

Career Highlights

Leonard F. Zaporowski is currently associated with Stepan Company, where he applies his expertise in developing innovative products. His work has contributed to advancements in fabric conditioning and chemical processes.

Collaborations

Zaporowski has collaborated with notable coworkers, including Marshall J. Nepras and Franz Josef Luxem. Their combined efforts have fostered innovation and development within their field.

Conclusion

Leonard F. Zaporowski is a distinguished inventor whose contributions to fabric conditioning and esteramine production have made a lasting impact. His innovative patents reflect his commitment to advancing technology in these areas.