Location History:
- Palos Heights, IL (US) (1980)
- Lockport, IL (US) (1984 - 2003)
Company Filing History:
7 out of 40 
5 out of 67 
3 out of 226 Years Active: 1980-2003
Title: The Innovative Contributions of Calvin K Johnson
Introduction
Calvin K Johnson is a notable inventor based in Lockport, IL (US), recognized for his significant contributions to the field of foundry technology. With a total of 16 patents to his name, Johnson has developed innovative solutions that enhance the performance and efficiency of foundry processes.
Latest Patents
Among his latest patents, Johnson has introduced a no-bake foundry binder and process that improves the hot strength of foundry shapes. This binder comprises a polyether polyol component, a polyisocyanate component, and a catalyst that promotes the trimerization of polyisocyanates to polyisocyanurates. Additionally, he has developed no-bake inorganic binder compositions that bind particulate material effectively. These compositions consist of silicate and phosphate components, along with curing catalysts that enhance their performance. The resulting binders exhibit superior mechanical properties, making them advantageous for foundry applications.
Career Highlights
Throughout his career, Johnson has worked with prominent companies such as Acme Resin Corporation and Borden Chemical, Inc. His experience in these organizations has allowed him to refine his expertise in binder technology and foundry processes.
Collaborations
Johnson has collaborated with notable individuals in the industry, including David R Armbruster and Richard C Cooke, Jr. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Calvin K Johnson's work in the field of foundry technology showcases his dedication to innovation and improvement. His patents reflect a deep understanding of materials and processes that enhance the foundry industry.