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For the Inventor, By the Inventor

Blacksburg, VA, United States of America

James E McGrath

This inventor holds 40 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Polymer Chemistry. Top assignees: Virginia Tech Intellectual Properties Inc., The Dow Chemical Company, Virginia Polytechnic Institute and State University. Active years: 1985-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James E McGrath. Retrieved from https://idiyas.com/inventor/james-e-mcgrath

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

USPTO Granted Patents = 40 

% Patents Active = 87.5

 

Average Co-Inventor Count = 2.9

ph-index = 12

Forward Citations = 348(Granted Patents)


Location History:

  • Blackburg, VA (US) (2017)
  • Blacksburg, VA (US) (1985 - 2019)

Company Filing History:

goldMedal25 out of 824 
 
Virginia Tech Intellectual Properties Inc.
 patents
silverMedal5 out of 7,680 
 
The Dow Chemical Company
 patents
bronzeMedal5 out of 79 
 
Virginia Polytechnic Institute and State University
 patents
4. 3 out of 142 
 
Center for Innovative Technology
 patents
5. 2 out of 40 
 
Reva Medical, Inc.
 patents
6. 2 out of 5,638 
 
The University of Texas System
 patents
7. 1 out of 832 
 
Essilor International
 patents
8. 1 out of 719 
 
Essilor International (Compagnie Generale D'optique)
 patents
9. 1 out of 4,227 
 
Exxon Research and Engineering Company
 patents
10. 1 out of 1 
 
Innotech, Inc., Johnson & Johnson Vision Care
 patent
11. 1 out of 201 
 
Johnson & Johnson Vision Products Inc.
 patents
12. 1 out of 907 
 
Johnson and Johnson Vision Care, Inc.
 patents
13. 1 out of 1,496 
 
Rutgers, The State University of New Jersey
 patents
14. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2019

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Areas of Expertise:
Polybenzimidazoles
Fuel Cell Electrodes
Biocompatible Polymers
Gas Separation Membranes
Ion-Conducting Materials
Thermoplastic Composites
Chlorine Resistant Membranes
Proton Conducting Membranes
Poly(arylene ether)
Aryl Ethynyl Polymers
Viscosity Control
Polymer Synthesis
40 patents (USPTO):Explore Patents
1. 10188992 - Polybenzimidazoles and methods of making and using thereof (2019-01-29),
2. 9782523 - Side-chain crystallizable polymers for medical applications (2017-10-10),
3. 9533254 - Crosslinked polymer compositions, gas separation membranes of such crosslinked polymer compositions, methods of making such membranes, and methods of separating gases using such membranes (2017-01-03),
4. 8703113 - Side-chain crystallizable polymers for medical applications (2014-04-22),
5. 8551511 - Phase-separated biocompatible polymer compositions for medical uses (2013-10-08),
6. 8383763 - ION-conducting sulfonated polymeric materials (2013-02-26),
7. 8028842 - Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers (2011-10-04),
8. 7790837 - Ion-conducting sulfonated polymeric materials (2010-09-07),
9. 7790314 - Sulfonated polymer composition for forming fuel cell electrodes (2010-09-07),
10. 7544764 - Sulfonated polymer composition for forming fuel cell electrodes (2009-06-09),
11. 7473714 - Materials for use as proton conducting membranes for fuel cells (2009-01-06),
12. 7375178 - High refractive index thermoplastic polyphosphonates (2008-05-20),
13. 7365121 - Highly conductive thermoplastic composites for rapid production of fuel cell bipolar plates (2008-04-29),
14. 7361729 - Ion-conducting sulfonated polymeric materials (2008-04-22),
15. 7067083 - High refractive index thermoplastic polyphosphonates (2006-06-27),

Title: Innovations by James E. McGrath: A Pioneer in Polymer Chemistry

Introduction

James E. McGrath is a distinguished inventor based in Blacksburg, Virginia, with a remarkable portfolio that includes 40 patents. His work primarily focuses on advanced polymer chemistry, particularly in the development of materials that can be utilized in high-temperature applications and medical devices.

Latest Patents

Among his latest innovations, McGrath has patented processes involving polybenzimidazoles. These polymers contain sulfonyl groups and are synthesized using Eaton's reagent from 3,3',4,4'-tetraaminodiphenylsulfone, which can be derived from 4,4'-dichlorodiphenylsulfone. The polymers developed can be employed in high-temperature hydrogen and carbon monoxide separation membranes, showcasing their versatile utility. Furthermore, McGrath has contributed to the medical field with his patents on side-chain crystallizable (SCC) polymers. These polymers are particularly noteworthy for their use in various medical applications, including as radiopaque materials in embolotherapy products and stents, highlighting his significant impact on medical technology.

Career Highlights

Throughout his career, McGrath has made substantial contributions to the field of polymer science with his extensive patent portfolio. He has held pivotal positions at prominent companies, such as Virginia Tech Intellectual Properties, Inc. and The Dow Chemical Company, enhancing his experience and knowledge in the industry.

Collaborations

McGrath has collaborated with notable figures in the scientific community, such as Atul Bhatnagar and Hosadurga K. Shobha. These collaborations have further enriched his research endeavors and contributed to the successful development of innovative polymer solutions.

Conclusion

James E. McGrath stands out as a prolific inventor in the realm of polymer chemistry, exemplified by his numerous patents and contributions to both industrial and medical applications. His work continues to influence the development of advanced materials that address critical challenges in technology and health care, ensuring his legacy as a significant figure in innovation.

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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