Company Filing History:
Years Active: 1989-1991
Title: Innovations by Donald H Lester, Jr.
Introduction
Donald H Lester, Jr. is a notable inventor based in Pineville, NC (US). He has made significant contributions to the field of materials science, particularly in the development of water-soluble cellulose acetate microspheres. With a total of two patents to his name, his work has implications in various industries, including pharmaceuticals and agriculture.
Latest Patents
Lester's latest patents focus on the preparation of water-soluble cellulose acetate microspheres. These microparticles are characterized by their large interior void space and a plurality of open exterior surface pores. They can be loaded with various chemicals, including pharmaceuticals, dyes, flavorings, agricultural products, solid catalysts, and fragrances. The production process involves forming spherical droplets of a dope of water-soluble cellulose acetate and its derivatives, precipitating these droplets in a bath of a suitable precipitant, and subsequently recovering the resulting microparticles.
Career Highlights
Donald H Lester, Jr. is associated with Celanese Fibers, Inc., where he has been instrumental in advancing the company's research and development efforts. His innovative work has contributed to the enhancement of materials used in various applications.
Collaborations
Some of his notable coworkers include Thomas L Steiner and Dana T Minnick, who have collaborated with him on various projects within the company.
Conclusion
Donald H Lester, Jr. continues to be a significant figure in the field of innovation, particularly with his advancements in water-soluble cellulose acetate microspheres. His contributions are paving the way for new applications in multiple industries.