Chattanooga, TN, United States of America

Charles G Ruffner

This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: National Starch and Chemical Corporation, National Starch and Chemical Investment Holding Corporation. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles G Ruffner. Retrieved from https://idiyas.com/inventor/charles-g-ruffner-40ah94zg

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 44(Granted Patents)


Location History:

  • Chattanoga, TN (US) (1990)
  • Chattanooga, TN (US) (1991)

Company Filing History:


Years Active: 1990-1991

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2 patents (USPTO):Explore Patents

Title: The Innovations of Charles G. Ruffner

Introduction

Charles G. Ruffner is a notable inventor based in Chattanooga, TN (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of copolymers for various applications. With a total of 2 patents, his work has had a lasting impact on the industry.

Latest Patents

Ruffner's latest patents focus on copolymers as thickeners and modifiers for latex systems. One of his inventions describes a thickened aqueous copolymer solution that enhances the properties of latex systems. This copolymer comprises monomeric units that include approximately 79-99 percent of a (meth)acrylic acid salt of sodium, potassium, or ammonium, along with other components such as (meth)acrylic acid and lower alkyl esters of (meth)acrylic acid. The formulation also includes surfactant units derived from a urea reaction product of a monoethylenically unsaturated monoisocyanate with a nonionic surfactant that has amine functionality. These innovations are crucial for improving the performance of latex systems in various applications.

Career Highlights

Throughout his career, Charles G. Ruffner has worked with prominent organizations, including National Starch and Chemical Corporation and National Starch and Chemical Investment Holding Corporation. His experience in these companies has allowed him to refine his expertise in polymer chemistry and contribute to significant advancements in the field.

Collaborations

Ruffner has collaborated with several professionals in his field, including Milagros C. Barron and Ronald L. Swope. These collaborations have further enriched his work and expanded the scope of his innovations.

Conclusion

Charles G. Ruffner's contributions to the field of polymer chemistry, particularly through his patents on copolymers, demonstrate his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future developments.

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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