Company Filing History:
11 out of 240 
2 out of 632 
1 out of 107 Years Active: 1992-2006
Title: Ken K. Chang: Innovator in Foundry Binder Technology
Introduction
Ken K. Chang, an accomplished inventor based in Dublin, Ohio, holds an impressive portfolio of 14 patents. His groundbreaking work primarily focuses on innovative binder systems for foundry processes, which have enhanced the performance and efficiency of metal casting.
Latest Patents
Among his latest contributions are two notable patents:
1. **Heat-cured furan binder system** - This invention pertains to a heat-cured furan foundry binder system, which includes a furan binder and a furan monomer or oligomer that features at least two terminal hydroxymethyl groups. These binders are particularly beneficial as warm-box binders due to their faster curing times and the increased tensile strengths of the foundry shapes, such as cores and molds, that are produced compared to conventional heat-cured furan binders.
2. **Furan no-bake foundry binders and their use** - This invention involves furan no-bake foundry binders comprising various components, including furfuryl alcohol and/or a reactive furan resin, along with an activator such as resorcinol. It also includes a bisphenol compound and a polyol, with a preference for polyester and polyether polyols, and often a silane. These binders cure effectively in the presence of a furan curing catalyst and have applications in foundry mixes, shapes, and metal castings.
Career Highlights
Ken K. Chang has made significant contributions to the field through his employment with notable companies such as Ashland, Inc., and Ashland Oil, Inc. His innovative spirit and expertise have positioned him as a key contributor within these organizations, driving advancements in manufacturing processes.
Collaborations
Throughout his career, Chang has collaborated with talented individuals such as Thomas E. Dando and Chia-hung Chen. These partnerships reflect the importance of teamwork in fostering creativity and developing pioneering solutions in the foundry industry.
Conclusion
Ken K. Chang's ongoing commitment to innovation in foundry binder technologies exemplifies his status as a leading inventor. With his robust patent history and collaborations, he continues to influence the way foundry processes are approached, offering improved performance and efficiencies in metal casting operations. His work not only showcases his dedication to advancing the field but also highlights the impact of strategic collaboration among inventors and professionals.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.