Company Filing History:
Years Active: 1998-2000
Title: The Innovative Contributions of Wing Sum Kwan
Introduction
Wing Sum Kwan is a notable inventor based in Deerfield, IL (US). He has made significant contributions to the field of pigment technology, holding a total of five patents. His work focuses on enhancing the properties of iron-containing pigments, which are widely used in various applications.
Latest Patents
Kwan's latest patents include a method of preparing iron-containing pigment with enhanced dispersibility. This innovation involves modified iron-containing pigment particles that are treated with an encapsulant comprising an alkylphenol and lecithin, which has an HLB value ranging from about 10 to about 15. The resulting modified iron oxide pigments exhibit enhanced dispersibility in solvents across a wide range of polarity. Another significant patent addresses the hydrophobic treatment of pigments. In this process, a surface derivatizing agent is allowed to contact an aqueous slurry of transition metal-containing pigment particles, increasing their hydrophobicity. The modified pigment particles can easily disperse in various organic solvents, providing stable dispersions with a small mean pigment particle size and narrow particle size distribution.
Career Highlights
Wing Sum Kwan is currently employed at Videojet Systems International, Inc., where he continues to innovate in the field of pigment technology. His work has contributed to advancements in the performance and application of pigments in various industries.
Collaborations
Kwan collaborates with fellow inventor Yoshikazu Mizobuchi, sharing insights and expertise to further enhance their research and development efforts.
Conclusion
Wing Sum Kwan's innovative work in pigment technology has led to significant advancements in the field. His patents reflect a commitment to improving the properties and applications of iron-containing pigments.