Company Filing History:
Years Active: 1981-1983
Title: Hershel B Prindle: Innovator in Epoxy Resins and Phenolphthalein Production
Introduction
Hershel B Prindle is a notable inventor based in Lake Jackson, TX (US). He has made significant contributions to the field of chemistry, particularly in the development of epoxy resins and the preparation of phenolphthalein. With a total of 2 patents, Prindle's work has had a lasting impact on material science.
Latest Patents
Prindle's latest patents include innovative processes that enhance the properties of epoxy resins. One of his patents focuses on epoxy resins cured with salicyloyl hydrocarbylamines, such as N,N'-disalicyloyl-1,2-propylenediamine. This method results in cured resins that exhibit improvements in color, tensile strength, and flexural strength, as well as an extended pot life compared to traditional amine curing agents like methylene dianiline. Another significant patent involves the preparation of phenolphthalein using cation exchange resins and aryl phosphites. This process allows for the reaction of phenol and phthalic anhydride in the presence of a crosslinked sulfonic cation exchange resin, optimizing the water content in the reaction mixture.
Career Highlights
Hershel B Prindle is currently associated with The Dow Chemical Company, where he continues to innovate and contribute to advancements in chemical engineering. His work has been instrumental in developing new materials that meet the evolving needs of various industries.
Collaborations
Prindle has collaborated with notable professionals in his field, including George E Ham, to further enhance the research and development of chemical processes and materials.
Conclusion
Hershel B Prindle's contributions to the field of chemistry, particularly in epoxy resins and phenolphthalein production, showcase his innovative spirit and dedication to advancing material science. His patents reflect a commitment to improving the properties and applications of chemical compounds.