Stephen Lee Walker

Title: The Innovations of Stephen Lee Walker

Introduction

Stephen Lee Walker is an accomplished inventor based in Marengo, Illinois. He holds a total of 2 patents that showcase his expertise in the field of polymer chemistry and ink compositions. His innovative work has contributed significantly to advancements in aqueous ink technology.

Latest Patents

One of Walker's latest patents is for an aqueous ink binder composition. This composition includes 30-60% of a first polymer that contains ethylenically unsaturated carboxylic acid monomers. The first polymer is designed to have a calculated Hansch parameter ranging from 1.3 to 2.1. Additionally, the binder composition incorporates a second polymer, which is an aqueous emulsion polymer. This invention also provides a clear or pigmented ink composition that boasts press resolubility and water resistance as a dry film. Another notable patent involves resins formed from alpha-beta-unsaturated monomers and unsaturated fatty acids. This polymer is created from a mixture of 85-96 wt% of alpha-beta-unsaturated monomers and 4-15 wt% of unsaturated fatty acids.

Career Highlights

Throughout his career, Stephen Lee Walker has worked with prominent companies such as Rohm and Haas Company and Morton International, Inc. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in the field of polymer science.

Collaborations

Walker has collaborated with notable colleagues, including Scott Lind Egolf and William Christopher Finch. These partnerships have fostered a creative environment that has led to innovative solutions in their respective fields.

Conclusion

Stephen Lee Walker's contributions to the field of polymer chemistry and ink technology are noteworthy. His patents reflect a commitment to innovation and excellence in his work. His collaborations and career experiences further enhance his reputation as a leading inventor in his domain.