This inventor holds 3 USPTO granted patents and 9 published patent applications and 2 EPO patents. Top assignees: Solvay Specialty Polymers USA, LLC, Sysensqo Specialty Polymers USA, LLC. Active years: 2020-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 125 
1 out of 1 Years Active: 2020-2026
Title: Lee Carvell: Innovator in Polyphenylene Sulfide Technologies
Introduction
Lee Carvell is a notable inventor based in Cumming, GA (US). He has made significant contributions to the field of polymer science, particularly in the development of polyphenylene sulfide (PPS) polymers. With a total of 3 patents, Carvell's work focuses on enhancing the properties and applications of these advanced materials.
Latest Patents
Carvell's latest patents include innovative advancements in polyphenylene sulfide polymer compositions and their corresponding laser welding applications. One of his patents describes PPS polymers that exhibit excellent transparency to infrared (IR) radiation. It was surprisingly discovered that PPS polymer compositions containing specific metal ion concentrations (Ca, K, and Mg) of at least 400 parts per million by weight significantly increase IR transparency compared to those with lower concentrations. Additionally, he has developed methods for laser welding these PPS polymer compositions.
Another patent focuses on polyphenylene sulfide polymers with improved melt stability. This invention highlights the processability of PPS polymers terminated with specific end-capping agents in precise amounts, resulting in significantly enhanced melt stability. This improvement allows for better incorporation of PPS polymers into various melt processing techniques.
Career Highlights
Lee Carvell is currently employed at Solvay Specialty Polymers USA, LLC, where he continues to innovate in the field of specialty polymers. His work has positioned him as a key player in the development of advanced materials that meet the demands of modern applications.
Collaborations
Throughout his career, Carvell has collaborated with talented individuals such as DeeDee Smith and Jiqiang Xia. These partnerships have contributed to the success of his projects and the advancement of polymer technologies.
Conclusion
Lee Carvell's contributions to the field of polyphenylene sulfide polymers demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and a drive to enhance the capabilities of polymer applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile