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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.

USPTO Granted Patents = 40 (Patent Applications = 2)

% Patents Active = 87.5

EPO Patents = 4 (Patent Applications = 2)

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:

25 out of 821

Virginia Tech Intellectual Properties Inc.

patents

5 out of 7,680

The Dow Chemical Company

patents

5 out of 78

Virginia Polytechnic Institute and State University

patents

4. 3 out of 142

Center for Innovative Technology

The University of Texas System

patents

7. 1 out of 825

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 1,492

Rutgers, The State University of New Jersey

patents

14. 2 out of 834,350

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):Sort by Forward CitationsExplore 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.

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