Location History:
- Chester County, PA (US) (1982 - 1983)
- Westown, PA (US) (1984)
- Westtown, PA (US) (1985)
- Chester, PA (US) (1982 - 1986)
Company Filing History:
Years Active: 1982-1986
Title: **The Innovations of John R McCartney**
Introduction
John R McCartney, an accomplished inventor based in Westtown, PA, has made significant contributions to the field of materials science with a total of eight patents to his name. His innovative work focuses primarily on the impregnation of leather and the production of specialized polishing pads, showcasing his expertise in the application of polyurethane technologies.
Latest Patents
Among his latest patents are two noteworthy innovations:
1. **Impregnation of Leather with Polyurethane Dispersions:** This patent describes a method for preparing an impregnated leather composite. It involves the impregnation of a low-density leather sheet with an aqueous ionic dispersion of a polyurethane polymer. The polyurethane polymer is ionically coagulated from the dispersion, and the impregnate is dried to create a durable leather composition.
2. **Process for Producing Polishing Pads Comprising a Fully Impregnated Fibrous Batt:** This method pertains to the production of polishing pads, which involves uniformly impregnating a fibrous batt with an aqueous polyurethane dispersion. This process includes coagulating the dispersion to form an impregnant and applying heat and pressure to ensure a composite with optimal bulk density while retaining microporosity. The final product features an adhesive-backed polishing pad, designed for enhanced performance.
Career Highlights
Throughout his career, John has been associated with several companies, including Norwood Industries Inc. and Steon Company. His experience in these organizations has further honed his skills and provided a platform for his innovative breakthroughs in material applications.
Collaborations
John has collaborated with notable professionals in the industry, including Paul A Fertell and Giandaniele Robbiati. These partnerships have facilitated the exchange of ideas and fostered a collaborative environment that promotes the development of groundbreaking technologies.
Conclusion
John R McCartney's contributions to innovation, particularly in the domains of leather impregnation and polishing pad production, exemplify the impact of dedicated inventors in advancing technology. His eight patents not only reflect his ingenuity but also pave the way for future advancements in these specialized fields.