Bayonne, NJ, United States of America

Robert A Kleist

This inventor holds 27 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 1 EPO patent, primarily in Polymer Chemistry. Top assignees: Exxon Chemical Patents, Inc., Infineum International Limited, Exxon Research and Engineering Company. Active years: 1988-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert A Kleist. Retrieved from https://idiyas.com/inventor/robert-a-kleist

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

Calculating rank
USPTO Granted Patents = 27 

% Patents Active = 100.0

 


Average Co-Inventor Count = 4.2

ph-index = 12

Forward Citations = 540(Granted Patents)


Company Filing History:


Years Active: 1988-2003

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Areas of Expertise:
Polyalkene
Carboxylic Acid
Soot Dispersants
Lubricating Oil
Ethylene Alpha-Olefin
Mannich Base
Ashless Dispersants
Viscosity Index Improver
Polyolefinic Succinimide
Adducts
Metal Salt Esters
27 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Robert A. Kleist

Introduction

Robert A. Kleist, hailing from Bayonne, NJ, is a distinguished inventor with an impressive portfolio of 27 patents. His innovations primarily focus on the field of chemical compositions and lubricants, significantly contributing to industry advancements.

Latest Patents

Among Kleist's notable patents are two significant inventions. The first, titled "Polyalkene-substituted carboxylic acid compositions having reduced chlorine content," presents a method for reducing residual chlorine content in a polyolefin-substituted carboxylic acylating agent. This method enhances the efficiency of the composition through heating and the use of specific reactants. The second patent, concerning "Hydroxy aromatic Mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions," introduces low molecular weight Mannich base condensates. These compounds are essential for dispersing soot in lubricating oils, thereby improving performance and longevity.

Career Highlights

Kleist's career is marked by significant contributions during his tenure at influential companies like Exxon Chemical Patents, Inc. and Infineum International Limited. His work has led to breakthroughs that have had a lasting impact on the chemical and petroleum industries.

Collaborations

Throughout his career, Kleist has collaborated with reputable colleagues such as Antonio Gutierrez and Robert D. Lundberg. These partnerships have fostered innovation and led to the development of groundbreaking technologies in their respective fields.

Conclusion

Robert A. Kleist exemplifies the spirit of innovation through his extensive patent portfolio and collaborative efforts within the industry. His work continues to influence advancements in chemical engineering and lubricating oil technologies, solidifying his legacy as a key figure 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]
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