David A Grattan

Title: The Innovative Contributions of David A. Grattan

Introduction

David A. Grattan is a notable inventor based in La Grange Highlands, IL (US). He has made significant contributions to the field of chemistry, particularly in the development of modified polymers and oxygen scavengers. With a total of 5 patents to his name, Grattan's work has had a meaningful impact on various industrial applications.

Latest Patents

One of Grattan's latest patents is focused on modified polymers incorporating fatty amines. This invention presents a method for creating water-insoluble aliphatic primary or secondary amines that are water-soluble or dispersible. The process involves reacting these amines with a water-soluble acrylamide polymer at elevated temperatures. The invention also includes a polymeric composition that features an acrylic acid polymer with specific molecular weight and amine content. Another significant patent is for amine/gallic acid blends as oxygen scavengers. This aqueous concentrate is designed for treating boiler waters to effectively scavenge oxygen, utilizing either gallic acid or propyl gallate, with a pH adjusted for optimal performance.

Career Highlights

David A. Grattan is currently associated with Nalco Chemical Company, where he applies his expertise in chemistry to develop innovative solutions. His work at Nalco has positioned him as a key player in the field, contributing to advancements in water treatment technologies.

Collaborations

Throughout his career, Grattan has collaborated with notable colleagues, including Dodd W. Fong and Claudia C. Pierce. These partnerships have fostered a collaborative environment that enhances the innovation process.

Conclusion

David A. Grattan's contributions to the field of chemistry through his patents and work at Nalco Chemical Company highlight his role as an influential inventor. His innovative approaches to polymer modification and oxygen scavenging continue to shape industrial practices.