Company Filing History:
Years Active: 2002-2013
Title: Edward H Sung: An Innovator in Quinacridone Development
Introduction
Edward H Sung is a prominent inventor based in Cincinnati, OH, known for his significant contributions to the field of quinacridone development. With a total of nine patents to his name, Sung has made remarkable strides in the production and characteristics of quinacridones, which are essential in various applications, including dyes and pigments.
Latest Patents
Sung's latest patents highlight his innovative approaches to quinacridones. The first patent involves the creation of 2,5-di(methoxyanilino) terephthalic acid polymorphs and the quinacridones realized therefrom, specifically focusing on the crystal types I and II of 2,5-di(p-methoxyanilino)terephthalic acid. This process controls pH during recovery, resulting in a compound that can be transformed into 2,9-dimethoxyquinacridone, offering materials with controlled characteristics.
The second notable invention is a method for producing nanoscale quinacridones. This method incorporates a wet-salt attrition process, combining a crude quinacridone pigment with an inorganic salt and an organic liquid to achieve superior production efficiency. The resultant quinacridone pigment is isolated through a controlled acidic process, demonstrating Sung's ability to innovate in pigment synthesis techniques.
Career Highlights
Edward H Sung is currently associated with Sun Chemical Corporation, where he applies his expertise in pigments to drive advancements in the field. His work not only emphasizes individual achievements but also contributes to the wider capabilities of the company in producing high-quality pigments for diverse applications.
Collaborations
Throughout his career, Sung has collaborated with notable researchers and coworkers such as George H Robertson and Humberto A Velasquez. These partnerships reflect his commitment to advancing industry knowledge and fostering innovation through teamwork.
Conclusion
Edward H Sung's body of work in the realm of quinacridones underscores his status as an innovative inventor. With a keen focus on the intricacies of chemical processes and product characteristics, he continues to influence the industry through his patented inventions and professional collaborations at Sun Chemical Corporation. His contributions significantly enhance the understanding and application of quinacridone pigments, paving the way for future advancements in the field.