This inventor holds 3 USPTO granted patents. Top assignees: Miles Inc., Other. Active years: 1990-1993.
Company Filing History:
2 out of 540 
1 out of 834,350 Years Active: 1990-1993
Title: Innovations by Mary E Warchal
Introduction
Mary E Warchal is an accomplished inventor based in Osceola, IN (US). She has made significant contributions to the field of analytical chemistry, holding a total of 3 patents. Her work focuses on developing innovative methods for determining the presence of analytes in test samples.
Latest Patents
One of her latest patents is titled "Self-indicating analysis employing stoichiometric chemical subtraction." This analytical method and test composition allow for the determination of whether an analyte is present in a test sample at a predetermined concentration level. The method involves measuring or observing a preselected level of indicator response, such as color generation. A subtractive reaction is performed on the test sample before the indicator reaction, enabling the specific consumption of a predetermined amount of analyte. This innovative approach eliminates the need for standards or comparators, making the process self-indicating. Another notable patent involves a catalytic test composition designed to produce a range of colors, which can visually indicate clinically important analytes, such as glucose, based on their concentration.
Career Highlights
Throughout her career, Mary has worked with notable companies, including Miles Inc. Her innovative contributions have advanced the field of analytical testing, particularly in the development of self-indicating methods.
Collaborations
Mary has collaborated with esteemed colleagues, including Steven C Charlton and James P Albarella. Their combined expertise has furthered the impact of her inventions in the scientific community.
Conclusion
Mary E Warchal's innovative work in analytical chemistry has led to significant advancements in the determination of analytes in test samples. Her patents reflect her commitment to improving analytical methods and enhancing the accuracy of test results.