David A Aston

Title: Innovations of David A Aston

Introduction

David A Aston is a notable inventor based in California, recognized for his contributions to the field of paper manufacturing. He holds a total of 3 patents that showcase his innovative approaches to improving processes within the industry.

Latest Patents

One of his latest patents is focused on pitch control in paper-making machines. This method involves the application of a water-soluble or water-dispersible cationic polymer and a water-soluble or water-dispersible anionic aromatic polymer to dryer fabrics or equipment that are not in continuous contact with process water. Another significant patent addresses the control of deposits on paper machine felts using a cationic polymer. This method entails treating papermill felts with an aqueous solution containing at least about 2 ppm of a cationic polymer, which includes a water-soluble cationic surfactant. The surfactant is applied in an effective amount to inhibit the build-up of deposits derived from the cationic polymer.

Career Highlights

David A Aston is currently associated with Dearborn Chemical Company Ltd., where he continues to develop innovative solutions for the paper manufacturing industry. His work has significantly impacted the efficiency and effectiveness of paper production processes.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including Stewart N Paul and John E Waller. These collaborations have contributed to the advancement of technologies in the field.

Conclusion

David A Aston's innovative patents and contributions to the paper manufacturing industry highlight his expertise and commitment to improving production processes. His work continues to influence the field and inspire future innovations.