Jessup, MD, United States of America

Robert P Kreh

This inventor holds 23 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent, primarily in Corrosion Inhibition. Top assignees: W. R. Grace Co.-Conn., W. R. Grace Co., United States Mineral Products Company. Active years: 1987-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert P Kreh. Retrieved from https://idiyas.com/inventor/robert-p-kreh

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

USPTO Granted Patents = 23 

% Patents Active = 91.3

 

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 216(Granted Patents)


Location History:

  • Jessup, MD (US) (1987 - 1994)
  • Middle River, MD (US) (2013 - 2019)

Company Filing History:


Years Active: 1987-2019

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Areas of Expertise:
Corrosion Resistant
Fire Resistive Materials
Water-Based Epoxy
Intumescent Fireproofing
Corrosion Inhibitors
Cement Additives
Oxidation Compounds
Scale Preventer
Chelant Solutions
Hydraulic Cement
Iron Oxides
Polytartaric Acids
23 patents (USPTO):Explore Patents

Title: **Robert P Kreh: A Pioneer in Corrosion Inhibition and Iron Oxide Dispersion**

Introduction

Robert P Kreh, located in Jessup, MD, is a distinguished inventor with a prolific output of 19 patents. His innovative work primarily focuses on methods for inhibiting corrosion of metals and dispersing iron (III) oxides in aqueous systems. Kreh's contributions have significantly impacted industrial applications, particularly in the field of material protection and chemical treatment.

Latest Patents

Among Kreh's latest patents is the "Method for inhibiting corrosion of metals using polytartaric acids." This patent details a novel approach to preventing corrosion in metals that come into contact with aqueous solutions by introducing polytartaric acid compounds. These compounds serve as effective corrosion inhibitors, enhancing the durability of metal surfaces.

Another significant patent is the "Dispersion of iron (III) oxides using certain dihydroxaromatic compounds." This invention outlines a method for treating aqueous systems containing solid particles of iron (III) oxide. By adding catechol, hydroquinone, and their water-soluble salts, Kreh's method effectively disperses or suspends iron (III) oxide particles, which is beneficial for various industrial processes. These processes are particularly effective when the aqueous system maintains a pH greater than 7 and exhibits low to moderate hardness.

Career Highlights

Throughout his career, Robert P Kreh has worked with notable organizations, including W.R. Grace & Co. His time at these companies facilitated his research and development in chemical applications, allowing him to innovate and bring forth patented solutions that address pressing industrial challenges.

Collaborations

Kreh has collaborated with esteemed colleagues such as Robert M Spotnitz and Charles G Carter. These partnerships have further enriched his research endeavors, fostering a productive environment for developing cutting-edge inventions that can be applied across various sectors.

Conclusion

Robert P Kreh's contributions to the fields of corrosion inhibition and iron oxide dispersion exemplify his dedication to innovation. With a robust patent portfolio and significant collaborations, Kreh continues to advance technologies that enhance the performance and longevity of materials in an ever-evolving industrial landscape. His work not only demonstrates the importance of scientific research but also highlights the critical role inventors play in pushing the boundaries of what is possible in technology.

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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