Silver Spring, MD, United States of America

Clifton L Kehr

This inventor holds 23 USPTO granted patents, primarily in Polyurethane Chemistry. Top assignees: W. R. Grace Co., W. R. Grace Co.-Conn., Hampshire Chemical Corp.. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Clifton L Kehr. Retrieved from https://idiyas.com/inventor/clifton-l-kehr

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 = 2.4

ph-index = 12

Forward Citations = 410(Granted Patents)


Company Filing History:


Years Active: 1976-1995

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Areas of Expertise:
Protein Nonadsorptive Membranes
Hydrophilic Polyurethaneurea
Degradable Articles
Biocompatible Polymers
Polymer Surface Modification
Contact Lenses
Aromatic Amine Scavengers
Flame Retardant Urethane
Curable Liquid Polymers
Polyurethane Foams
Novel Urethane Polythiols
Hydrophobic Polyurethane Foams
23 patents (USPTO):Explore Patents

Title: Clifton L. Kehr: Innovator in Biocompatible Polymeric Solutions

Introduction

Clifton L. Kehr is a prominent inventor located in Silver Spring, MD, known for his significant contributions to the field of polymer science and biocompatible materials. With an impressive portfolio of 23 patents, his work revolves around developing advanced materials that enhance medical applications, particularly in wound care.

Latest Patents

Among his latest innovations is the patent for "Protein Nonadsorptive Membranes for Wound Dressings." This invention presents controlled release membranes formulated from a polyureaurethane polymer, derived predominantly from oxyethylene-based diols or polyols, which are capped with polyisocyanate. Notably, these membranes exhibit remarkable biocompatibility and resistance to nonspecific protein adsorption, making them ideal for delivering proteinaceous materials in drug delivery systems, such as wound dressings. Additionally, another noteworthy patent involves the "Hydrophilic Polyurethane Urea Foams Containing No Toxic Leachable Additives." This innovation emphasizes the use of high molecular weight, isocyanate-terminated, ethylene oxide-rich prepolymers as substitutes for surfactants, ensuring the production of safer foam materials.

Career Highlights

Clifton has worked with esteemed companies such as W. R. Grace & Co. and W. R. Grace & Co. - Conn., where he has played a pivotal role in developing innovative polymer products. His extensive experience in these companies has not only contributed to his personal growth as an inventor but has also significantly advanced the field of biomedical materials.

Collaborations

Throughout his career, Clifton has had the opportunity to collaborate with notable professionals, including James L. Guthrie and James A. Braatz. These collaborations have enriched his research endeavors, enabling him to contribute to cutting-edge innovations in polymer science.

Conclusion

Clifton L. Kehr stands as a key figure in the area of biocompatible materials, with a particular focus on advancements that support wound care. His inventive spirit is exemplified through his numerous patents, which continue to influence medical practices and enhance patient care. As research in this field continues to evolve, Kehr’s contributions remain an invaluable part of this dynamic industry.

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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