Location History:
- Walnut Creek, CA (US) (1977 - 1978)
- Antioch, CA (US) (1979)
Company Filing History:
Years Active: 1977-1979
Title: **Inventor Spotlight: Lorraine M. Kroposki**
Introduction
Lorraine M. Kroposki is a renowned inventor based in Walnut Creek, California. With an impressive portfolio of seven patents, she has made significant contributions to the field of chemistry, particularly in the preparation of phosphorothioates and phenylphosphonothioates. Her innovative work exemplifies the vital impact of creativity and scientific inquiry in advancing technology.
Latest Patents
Among Lorraine's most recent patents is a process for preparing phosphorothioates and phenylphosphonothioates. This innovative method involves the use of quaternary ammonium salts and sterically unhindered, nucleophilic, tertiary amines as novel cocatalysts. The process requires reacting an alkali metal phenate, pyridinate, or pyrimidinate with an O,O-dialkylphosphorochloridothioate or O-alkyl phenylphosphonochloridothioate, conducted under alkaline conditions in a liquid reaction medium. This discovery enhances the efficiency of synthesizing these important chemical compounds, marking a milestone in her career.
Career Highlights
Lorraine M. Kroposki's career is highlighted by her work at The Dow Chemical Company, where she has been instrumental in developing innovative chemical processes. Her dedication to research and development has led to the successful patenting of multiple inventions, showcasing her expertise and commitment to advancing the field of chemistry.
Collaborations
Throughout her career, Lorraine has collaborated with several notable professionals, including Masao Yoshimine and Harold H. Freedman. These collaborations have contributed to her innovative research and have played a significant role in her success as an inventor.
Conclusion
Lorraine M. Kroposki's work as an inventor is marked by her innovative spirit and significant contributions to chemistry. With her seven patents, particularly in the area of phosphorothioates and phenylphosphonothioates, she has made a lasting impact in her field. Her ongoing commitment to research and collaboration continues to inspire future generations of inventors.