Annandale, NJ, United States of America

Hartley H Downs

This inventor holds 1 USPTO granted patent. Top assignee: Exxon Research and Engineering Company. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hartley H Downs. Retrieved from https://idiyas.com/inventor/hartley-h-downs-futj52bm

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Innovations of Hartley H Downs in Polymer Science

Introduction

Hartley H Downs is a notable inventor based in Annandale, NJ (US). He has made significant contributions to the field of polymer science, particularly in the development of novel polymeric foams. His innovative work has led to advancements that are beneficial in various industrial applications.

Latest Patents

Hartley H Downs holds a patent for "Novel polymeric foams and foaming compositions." This patent describes a method for producing surfactant-free stable aqueous foams using water-soluble copolymers of acrylamide and N-alkylacrylamide. The copolymers have chain lengths greater than or equal to 6 carbons and may include an anionic monomer, such as a monovalent salt of acrylic acid. The foams produced are characterized by their high temperature stability and excellent salt tolerance, making them suitable for various applications.

Career Highlights

Hartley H Downs is associated with Exxon Research and Engineering Company, where he has been instrumental in advancing research in polymeric materials. His work has not only contributed to the company's portfolio but has also enhanced the understanding of foam stability and composition in the scientific community.

Collaborations

Throughout his career, Hartley has collaborated with esteemed colleagues, including Jan Bock and Donald B Siano. These collaborations have fostered a productive environment for innovation and research in polymer science.

Conclusion

Hartley H Downs is a distinguished inventor whose work in polymeric foams has paved the way for new industrial applications. His contributions continue to influence the field and demonstrate the importance of innovation in material science.

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]
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