Michael John Lemmons

Title: Michael John Lemmons: Innovator in Perylene Pigment Technology

Introduction

Michael John Lemmons is a notable inventor based in Fort Thomas, KY (US). He has made significant contributions to the field of pigment technology, particularly through his innovative processes for manufacturing perylene pigments. His work has implications for various applications in industries that require high-quality pigments.

Latest Patents

Lemmons holds a patent for a unique process related to perylene pigment composition. The patent, titled "Perylene pigment composition and process therefor," describes a method for producing a pigments form of perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-methylimide. This process involves the comminution of a mixture that includes perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-methylimide, which is produced by methylation of perylenetetracarboxylic imide with an alkylating agent, and another form produced by the condensation of perylenetetracarboxylic anhydride with methylamine, in the presence of dimerized rosin. The resulting pigments are recognized for their outstanding coloristic and rheological properties, making them suitable for a variety of applications.

Career Highlights

Lemmons is associated with Ciba Specialty Chemicals Corporation, where he has been able to apply his expertise in pigment technology. His work has contributed to advancements in the quality and application of pigments in various industries.

Collaborations

Throughout his career, Lemmons has collaborated with notable colleagues, including Terence R Chamberlain and Donald Thomas DeRussy. These collaborations have likely enriched his research and development efforts in the field of pigment technology.

Conclusion

Michael John Lemmons is a distinguished inventor whose work in perylene pigment technology has made a significant impact on the industry. His innovative processes and collaborations continue to influence the development of high-quality pigments.