This inventor holds 4 USPTO granted patents. Top assignee: The Dow Chemical Company. Active years: 1977-1980.
Company Filing History:
Years Active: 1977-1980
Title: R Douglas Eash: Innovator in Cement Additives
Introduction
R Douglas Eash is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of cement additives, holding a total of 4 patents. His work focuses on enhancing the properties of portland cement compositions, which are essential in construction and building materials.
Latest Patents
Eash's latest patents include innovative formulations for cement additives. One of his inventions is the "Styrene-butadiene-acrylonitrile interpolymer latex based cement additives." This invention is directed to cement additives that consist of a styrene-butadiene-acrylonitrile interpolymer latex, a nonionic surfactant, an anionic surfactant, and a polyorganosiloxane foam depressant. These additives provide portland cement compositions with excellent strength properties. Another significant patent is the "Styrene-butadiene interpolymer latex based cement additives." This invention also focuses on cement additives, which include a styrene-butadiene interpolymer latex, a nonionic surfactant, a polyelectrolyte, and a polyorganosiloxane foam depressant. These additives enhance the strength, workability, and adhesion of cementitious substrates.
Career Highlights
Eash is currently associated with The Dow Chemical Company, where he continues to innovate in the field of cement additives. His work has been instrumental in developing products that improve the performance of cement in various applications.
Collaborations
Eash has collaborated with notable coworkers such as Gale L Emig and James Peters. Their combined expertise has contributed to the advancement of cement additive technologies.
Conclusion
R Douglas Eash is a prominent inventor whose work in cement additives has led to significant advancements in the construction industry. His innovative patents reflect his commitment to improving material performance and functionality.