John A Cattell

Title: John A. Cattell: Innovator in Specific Gravity Determination

Introduction

John A. Cattell is an accomplished inventor based in Elkhart, IN (US). He has made significant contributions to the field of analytical chemistry, particularly in the development of methods for determining specific gravity in test samples. His innovative approach has led to the creation of a patented method that enhances the accuracy and efficiency of specific gravity assays.

Latest Patents

Cattell holds a patent for a "Method, composition and device for the semiquantitative determination of specific gravity." This invention discloses a method that utilizes a reagent composition capable of producing a detectable and measurable response correlating to the concentration of cations in a test sample. The reagent composition includes a polyvalent metal ion, an indicator, a buffer, and a suitable carrier. This invention is particularly useful in wet phase specific gravity assays and can also be incorporated into a carrier matrix for dry phase assays, such as those used for urine testing.

Career Highlights

Cattell has worked at Miles Inc., where he has applied his expertise in analytical methods to develop innovative solutions. His work has contributed to advancements in the field, particularly in the area of diagnostic testing. His dedication to research and development has positioned him as a key figure in his organization.

Collaborations

Cattell has collaborated with Robert Bauer, a fellow innovator, to further enhance the capabilities of their inventions. Their teamwork has fostered a creative environment that encourages the development of new ideas and solutions.

Conclusion

John A. Cattell's contributions to the field of specific gravity determination exemplify the impact of innovation in analytical chemistry. His patented methods and compositions continue to influence diagnostic testing practices, showcasing the importance of inventors in advancing technology.