Company Filing History:
Years Active: 1980-1989
Title: Innovations by Joseph C. Donovan: A Pioneer in Autodeposition Technology
Introduction
Joseph C. Donovan, an esteemed inventor based in Drexel Hill, Pennsylvania, has made significant contributions to the field of autodeposition technology. With a total of four patents to his name, Donovan's work has focused on enhancing the properties of protective coatings, making them more efficient and durable.
Latest Patents
Donovan's latest innovations include two notable patents. The first is "Use of Fugitive Plasticizer in Autodepositing Composition," where he explores how incorporating various fugitive plasticizers—such as 2,2,4-trimethylpentanediol-1,3 monoisobutyrate and tributoxyethyl phosphate—can improve the characteristics of autodepositing coatings that typically crack in wet conditions. His second patent, "Autodeposition Post-Bath Rinse," introduces a method for enhancing the anticorrosion properties of autodeposited resin coatings. This method involves adding a metal dichromate, a metal hypophosphite, or a combination of these with a metal hydrogenphosphate to the post-bath rinse, followed by curing.
Career Highlights
Throughout his career, Donovan has worked with reputable companies that have played a pivotal role in his development as an inventor. He has been associated with Amchem Products, Inc., and Henkel Kommanditgesellschaft Auf Aktien, both prominent organizations in the chemical and coatings industry. His work in these companies has allowed him to refine his expertise in coating technologies and further his innovative research.
Collaborations
Donovan has had the privilege to collaborate with notable figures, including his coworkers Harry M. Leister and Wilbur S. Hall. These partnerships have fostered teamwork and innovation, contributing to his successful patent portfolio.
Conclusion
Joseph C. Donovan's contributions to the field of autodeposition technology showcase his dedication to innovation and excellence. With his continuous pursuit of improvements in protective coatings, Donovan stands as a key figure in the domain of modern inventions. His patents not only reflect his ingenuity but also his commitment to addressing the challenges faced in coating technology today.