Company Filing History:
2 out of 1,087 
1 out of 328 Years Active: 1982-1993
Title: Duane C Steele: Innovator in Metal Cleaning and Coating Technologies
Introduction
Duane C Steele is a notable inventor based in Sterling Heights, MI (US). He has made significant contributions to the field of metal cleaning and protective coatings, holding a total of 3 patents.
Latest Patents
One of his latest patents is titled "Composition and process for cleaning metals." This invention enhances the oil-splitting properties of conventional alkaline cleaning solutions by incorporating a special nonionic surfactant component. This component has an HLB value ranging from 1 to 7.9 and consists of molecules containing at least two nitrogen atoms. The chemical structure can be created through sequential additions of ethylene oxide and propylene oxide to core molecules, primarily 1,2-diaminoethane.
Another significant patent is "Process for forming protective base coatings on metals." This process improves the formation of a chromium/silica/phosphate protective conversion coating on metal surfaces. It involves pretreating the surface with a composition that includes H2 TiF6, H2 SiF6, or a derivative of poly{alkenylphenol} before applying the conversion coating. The result is a protective base coating with superior adhesion to paint, which is particularly beneficial for corrosion resistance.
Career Highlights
Duane has worked with prominent companies such as Henkel Corporation and Hooker Chemicals & Plastics Corporation. His experience in these organizations has contributed to his expertise in developing innovative cleaning and coating solutions.
Collaborations
Throughout his career, Duane has collaborated with various professionals, including his coworker William C Strickland. Their joint efforts have led to advancements in the technologies related to metal cleaning and protective coatings.
Conclusion
Duane C Steele's contributions to the field of metal cleaning and protective coatings demonstrate his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to enhancing the efficiency and effectiveness of cleaning solutions and protective coatings.