Company Filing History:
Years Active: 2002-2009
Title: Richard Allan VanDahm: Innovator in Colorant Compositions and Purification Processes
Introduction
Richard Allan VanDahm is a notable inventor based in Spartanburg, SC (US). He has made significant contributions to the field of chemical engineering, particularly in the development of colorant compositions and purification processes. With a total of 2 patents, his work has implications for various consumer products.
Latest Patents
VanDahm's latest patents include "Anthraquinone colorant compositions and methods for producing the same." This invention focuses on compositions of N,N'-dialkyleneoxy-substituted 1,4-diaminoanthraquinone colorants that contain a low percentage of impurities. The patent also details a process for producing these compositions and their application in coloring consumer products. Another significant patent is for "Purified bisphenol A ethoxylates and processes of purifying thereof." This invention provides a method for producing purified bisphenol A ethoxylates through the base-catalyzed addition of ethylene oxide. The purification process involves neutralization with phosphoric acid and treatment with a colloidal metal silicate, resulting in a low-salt product that is easy to produce in high yields.
Career Highlights
Richard Allan VanDahm is currently associated with Milliken & Company, where he applies his expertise in chemical processes. His innovative work has contributed to advancements in the industry, particularly in the development of high-quality chemical products.
Collaborations
Some of his notable coworkers include X Michael Hong and Robert L Mahaffey. Their collaborative efforts have further enhanced the research and development initiatives within their organization.
Conclusion
Richard Allan VanDahm's contributions to the field of chemical engineering through his patents and collaborative work highlight his role as an influential inventor. His innovations in colorant compositions and purification processes continue to impact the industry positively.