Dwaine E Siptak

Title: Dwaine E. Siptak and Titanium Dioxide Slurry Stabilization.

Introduction

Dwaine E. Siptak is an inventor associated with Gonzales, Texas, and Southern Clay Products, Inc. His patent work addresses the stabilization of aqueous pigment slurries, including formulations containing titanium dioxide.

Latest Patents

The available information identifies one patent associated with Siptak: “TiO₂ Slurry Stabilization.” The invention describes a stable aqueous pigment slurry containing approximately 50 to 90 percent pigment by weight, such as titanium dioxide, and approximately 0.2 to 3.0 percent smectite clay, such as bentonite, hectorite, or montmorillonite. The formulation may also include approximately 0.1 to 2.0 percent dispersant.

The disclosed preparation process combines the pigment slurry, smectite clay slurry, and, preferably, dispersant through milling under high-shear conditions. The approach is intended to produce a stable pigment slurry.

Career Highlights

Siptak’s documented patent contribution focuses on pigment-slurry formulation and processing. His work is associated with Southern Clay Products, Inc., a company connected to the development of the invention.

Collaborations

The supplied information lists Carl J. Bauer and John D. Boothe as Siptak’s coworkers. Their specific roles in developing or patenting the slurry-stabilization technology are not provided.

Conclusion

Dwaine E. Siptak’s identified patent presents a method for stabilizing aqueous pigment slurries by combining pigment, smectite clay, and optionally a dispersant under high-shear milling.