Donald E Dau

Title: The Innovations of Donald E. Dau

Introduction

Donald E. Dau is a notable inventor based in Saint Paul, MN (US). He has made significant contributions to the field of abrasive technology. His innovative work has led to the development of advanced abrasive articles that enhance finishing processes.

Latest Patents

Donald E. Dau holds a patent for an abrasive article that features delamination-resistant abrasive belts and discs. These products are designed for both offhand and automated article finishing. The invention comprises a lofty, non-woven, three-dimensional abrasive web that is adhesively bonded to a stretch-resistant woven fabric. This is achieved using a polyurethane binder, which is the reaction product of poly-1,4 oxybutylene glycol diisocyanate. The molecular weight of this compound ranges from about 500 to 4000. Additionally, the binder includes a reactive compound capable of reacting with isocyanate radicals, selected from a group consisting of water, diol, triol, diamine, or mixtures thereof.

Career Highlights

Donald E. Dau is associated with 3M Innovative Properties Company, where he has contributed to various projects and innovations. His work has been instrumental in advancing the capabilities of abrasive materials used in different applications.

Collaborations

One of his notable coworkers is Leonard E. Nelson, with whom he has collaborated on various projects within the company.

Conclusion

Donald E. Dau's contributions to abrasive technology through his innovative patents have significantly impacted the industry. His work continues to influence the development of advanced materials for finishing processes.