Company Filing History:
1 out of 5 
1 out of 1 
1 out of 13 Years Active: 1992-2005
Title: Innovations of James B Johnston
Introduction
James B Johnston is a notable inventor based in Ambler, Pennsylvania. He has made significant contributions to the field of biomedical engineering, particularly in the development of advanced coatings and blood separation technologies. With a total of three patents to his name, Johnston's work reflects a commitment to improving medical devices and procedures.
Latest Patents
One of Johnston's latest patents is for bi-laminar, hyaluronan coatings with silver-based anti-microbial properties. This invention includes a surface having a coating that consists of a base coat firmly adhered to the surface and a hydrophilic, biocompatible top-coat. An antibiotic ceramic component is dispersed in one or both of the base coat and top-coat, with a preferred embodiment utilizing a zeolite that has silver ions exchanged onto its internal acidic sites. This innovative coating is highly effective in imparting anti-microbial characteristics.
Another significant patent involves an integral blood plasma or serum isolation, metering, and transport device. This process separates plasma or serum from mammalian whole blood by applying a blood sample through a hydrophobically faced sample receiving hole. The device utilizes a series of hydrophobic and hydrophilic materials to effectively retain red blood cells while allowing the liquid portion to flow downward, ensuring efficient separation.
Career Highlights
Throughout his career, James B Johnston has worked with several companies, including Enzymatics, Inc. and Binax Services, Inc. His experience in these organizations has contributed to his expertise in developing innovative medical technologies.
Collaborations
Johnston has collaborated with notable individuals in his field, including John L Palmer and Marsha W Timmerman. These partnerships have likely enhanced his research and development efforts, leading to successful innovations.
Conclusion
James B Johnston's contributions to the field of biomedical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to impact medical technology and improve patient care.