Charles B Denholm

Title: Innovations of Charles B Denholm

Introduction

Charles B Denholm is an accomplished inventor based in Appleton, WI (US). He holds 2 patents that showcase his expertise in the field of calcium carbonate compositions. His innovative approaches have contributed significantly to the industry.

Latest Patents

Denholm's latest patents include "Narrow size distribution ground calcium carbonate compositions" and "Process for producing a carbonate composition." The first patent focuses on ground calcium carbonate compositions with narrow particle size distributions and outlines a method for producing these compositions. This method involves forming a substantially dispersant-free calcium carbonate suspension, wet-grinding the suspension, and aging it without the need for classification equipment or heating. The second patent describes a process for obtaining a sodium hydroxide solution and a slurry of fine calcium carbonate particles suitable for use as a paper coating or filler pigment. This process includes reacting calcium hydroxide with sodium carbonate to produce an aqueous slurry containing sodium hydroxide and calcium carbonate as a precipitate.

Career Highlights

Throughout his career, Denholm has worked with various companies, including Carbominerals. His contributions to the field have been recognized through his innovative patents and methods.

Collaborations

Denholm has collaborated with notable individuals such as H Larry Williams and Robert E Hardy. Their combined expertise has further advanced the development of calcium carbonate compositions.

Conclusion

Charles B Denholm's contributions to the field of calcium carbonate compositions through his patents demonstrate his innovative spirit and dedication to advancing industry practices. His work continues to influence the development of new methods and applications in this area.