Location History:
- Rock, SC (US) (2002)
- Rock Hill, SC (US) (2004 - 2020)
- Fort Mill, SC (US) (2016 - 2023)
Company Filing History:
Years Active: 2002-2023
Title: The Innovative Contributions of Ronald W. Call
Introduction
Ronald W. Call is a prominent inventor based in Rock Hill, SC, known for his significant contributions to the field of battery technology. With a total of 13 patents to his name, he has made remarkable advancements in the development of battery separators for lithium-ion secondary batteries. His work has been instrumental in enhancing the performance and safety of these essential energy storage devices.
Latest Patents
Among his latest patents is the invention of multilayer hybrid battery separators for lithium-ion secondary batteries and methods of making the same. This innovative separator features a first layer of a dry processed membrane bonded to a second layer of a wet processed membrane. The first layer is typically made of a polypropylene-based resin, while the second layer is composed of a polyethylene-based resin. The separator can consist of more than two layers and is designed to have a ratio of TD/MD tensile strength ranging from about 1.5 to 3.0. Additionally, it boasts a thickness of approximately 35.0 microns or less, a puncture strength exceeding 630 gf, and a dielectric breakdown of at least 2000V. Another notable patent is the co-extruded, multi-layered battery separator, which comprises a co-extruded, microporous membrane with at least two layers made of extrudable polymers. This separator is characterized by a uniform thickness defined by a standard deviation of less than 0.80 microns or an interply adhesion defined by a peel strength greater than 60 grams.
Career Highlights
Ronald W. Call is currently employed at Celgard Inc., where he continues to push the boundaries of battery technology. His expertise and innovative spirit have led to numerous advancements in the field, making him a valuable asset to his company and the industry as a whole.
Collaborations
Throughout his career, Ronald has collaborated with talented individuals such as Lie Shi and Khuy Van Nguyen. These partnerships have fostered a creative environment that has resulted in groundbreaking innovations in battery technology.
Conclusion
In summary, Ronald W. Call is a distinguished inventor whose work in battery technology has significantly impacted the industry. His innovative patents and collaborations demonstrate his commitment to advancing energy storage solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.