Hamilton, NJ, United States of America

Karen Ann Gruber

This inventor holds 4 USPTO granted patents. Top assignee: Engelhard Corporation. Active years: 1999-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karen Ann Gruber. Retrieved from https://idiyas.com/inventor/karen-ann-gruber

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 = 2.2

ph-index = 3

Forward Citations = 72(Granted Patents)


Company Filing History:


Years Active: 1999-2001

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Karen Ann Gruber

Introduction

Karen Ann Gruber is a notable inventor based in Hamilton, NJ (US). She has made significant contributions to the field of chemical engineering, particularly in the development of urea processing and cement-based materials. With a total of 4 patents to her name, her work has had a substantial impact on various industrial applications.

Latest Patents

One of her latest patents involves a urea processing agent. This invention relates to a particulate urea composition that includes particulate urea, kaolin, and a dispersant. The dispersant can be one of several types, including ammonia-based, sulfonate, carboxylic acid, or polymeric dispersants. Another significant patent focuses on the manufacture of improved metakaolin. This method involves creating a highly reactive pozzolan by forming a slurry of metakaolin and liquid, followed by wet milling and separating the metakaolin from the liquid. This highly reactive pozzolan can then be combined with cementitious materials to enhance the properties of cement-based compositions.

Career Highlights

Karen Ann Gruber is currently employed at Engelhard Corporation, where she continues to innovate and develop new materials and processes. Her work has been instrumental in advancing the understanding and application of chemical processes in various industries.

Collaborations

Throughout her career, Karen has collaborated with several talented individuals, including Shireen A Mamun and Robert Reynolds Sheppard, Jr. These collaborations have further enriched her research and development efforts.

Conclusion

Karen Ann Gruber's contributions to the field of chemical engineering through her patents and innovative work at Engelhard Corporation highlight her role as a leading inventor. Her advancements in urea processing and cement-based materials continue to influence the industry positively.

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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