Company Filing History:
Years Active: 1999
Title: The Innovative Contributions of Stuart G. Guthrie
Introduction
Stuart G. Guthrie is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of wastepaper recycling through his innovative methods. His work focuses on improving the efficiency of deinking processes, which is crucial for sustainable paper production.
Latest Patents
Stuart G. Guthrie holds a patent for a method titled "Deinking printed wastepaper using alkaline solution containing sodium." This invention involves disintegrating waste paper in a carbonate aqueous solution containing sodium sulfite and sodium carbonate. The process produces a fibrous slurry with a pH of at least 7.5, effectively separating ink from the fibers and removing it from the slurry. The composition useful for deinking consists of a relative proportion of sodium sulfite to sodium carbonate between about 95:5 and about 50:50, along with a surfactant. He has 1 patent to his name.
Career Highlights
Stuart G. Guthrie is currently employed at Solvay Minerals, Inc., where he continues to develop innovative solutions in the field of materials science. His expertise in chemical processes has made him a valuable asset to the company.
Collaborations
One of his notable coworkers is Emmett J. Evans, with whom he has likely collaborated on various projects within the company.
Conclusion
Stuart G. Guthrie's contributions to the field of wastepaper recycling demonstrate his commitment to innovation and sustainability. His patented method for deinking wastepaper is a testament to his ingenuity and dedication to improving environmental practices in the paper industry.