Stephen L Dickman

Title: The Innovations of Stephen L. Dickman

Introduction

Stephen L. Dickman is an accomplished inventor based in Wausau, Wisconsin. He holds two patents that showcase his contributions to the fields of cement compositions and humic acid production. His work reflects a commitment to developing environmentally friendly solutions in construction and materials science.

Latest Patents

One of Dickman's latest patents is focused on cement compositions and biodegradable dispersants. This invention provides improved cement composition and introduces biodegradable dispersants that are primarily made up of a high molecular weight, phenolic hydroxy group blocked, alkali metal lignosulfonate. Another significant patent involves the production of oxidized humic acids by an oxygen-alkali process. This method entails reacting humic acid-bearing ores with oxygen under alkaline conditions at temperatures ranging from 100°C to 200°C for at least half an hour, typically for one to two hours. The process yields oxidized humic acids that are soluble at pH levels as low as 2.9 and achieves yields of at least 70%. These oxidized humic acids also serve as superior viscosity reducers.

Career Highlights

Throughout his career, Stephen L. Dickman has worked with notable companies such as Lignotech USA, Inc. and Halliburton Energy Services, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions in his field.

Collaborations

Dickman has collaborated with several professionals, including Stuart E. Lebo and Jiten Chatterji. These partnerships have likely enhanced his research and development efforts, leading to successful innovations.

Conclusion

Stephen L. Dickman's contributions to the fields of cement compositions and humic acid production highlight his innovative spirit and dedication to creating environmentally sustainable solutions. His patents reflect significant advancements that can impact various industries.