Belpre, OH, United States of America

Robert M Harper

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert M Harper. Retrieved from https://idiyas.com/inventor/robert-m-harper

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2008

Loading Chart...
Loading Chart...
1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Robert M. Harper in Adhesive Technology

Introduction: Robert M. Harper, an inventor based in Belpre, Ohio, has made significant strides in the field of adhesive technology with his patented invention. With a focus on improving the adhesion properties of polyvinyl butyral (PVB) interlayers, Harper's work aims to enhance the durability and performance of glass applications.

Latest Patents: Harper holds a patent for a "Polyvinylbutyral interlayer sheet with improved adhesion to glass and a process for preparing same." This innovative PVB composition incorporates an adhesion control agent, which is a mixture of potassium and magnesium salts in a specified weight ratio of 0.05:1 to 5:1, potassium salts to magnesium salts. This patent details not only the improved composition but also a method for achieving better control of adhesion to glass.

Career Highlights: Robert M. Harper is affiliated with E.I. du Pont de Nemours and Company, a leading corporation in the science and technology sector. His work has positioned him as a valuable contributor to advancements in adhesive technology, emphasizing the importance of reliable bonding in various industrial applications.

Collaborations: Throughout his career, Harper has collaborated with fellow innovators Rebecca L. Smith and Donald L. Rymer, working together to push the boundaries of adhesive developments and enhance the functionality of their inventions.

Conclusion: Robert M. Harper's contributions to adhesive technology through his innovative patent reflect his dedication to improving industrial materials. His focus on enhancing the adhesion properties of PVB interlayers has significant implications for a variety of applications, paving the way for future advancements in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…