Company Filing History:
Years Active: 2025
Title: Kathryn E Merwin: Innovator in Esterquat Compositions
Introduction
Kathryn E Merwin is a notable inventor based in Palatine, IL (US). She has made significant contributions to the field of chemistry, particularly in the development of concentrated liquid esterquat compositions. Her innovative work has led to advancements in the formulation of stable and environmentally friendly products.
Latest Patents
Kathryn holds 1 patent for her invention titled "Concentrated liquid esterquat compositions." This patent describes clear, stable concentrated liquid compositions that comprise from 30% to 90% by weight of an esterquat active, and from 10% to 50% by weight of a specific solvent system. The esterquat active is the quaternized reaction product of a fatty acyl source with an Iodine Value of 40 to 130, reacted with an alkanolamine at a fatty acyl to alkanolamine molar ratio of 1.0:1 to 2.2:1. The compositions have a VOC content of less than 5%, a Biorenewable Carbon Index (BCI) of at least 20, and a viscosity of less than 5000 cP at 25° C. These concentrated liquid compositions can be easily diluted in water to form stable aqueous dispersions.
Career Highlights
Kathryn is currently associated with Stepan Company, where she continues to innovate and develop new formulations. Her work has been instrumental in creating products that meet both performance and environmental standards.
Collaborations
Some of her coworkers include Dennis S Murphy and Teresa Germain, who have collaborated with her on various projects within the company.
Conclusion
Kathryn E Merwin's contributions to the field of esterquat compositions highlight her innovative spirit and commitment to developing sustainable solutions. Her work not only advances the industry but also sets a standard for future innovations.