Company Filing History:
Years Active: 1989-2003
Title: John W Sparapany: Innovator in Papermaking Processes
Introduction
John W Sparapany is a notable inventor based in Bolingbrook, IL (US). He has made significant contributions to the field of papermaking, holding a total of 15 patents. His innovative approaches have enhanced the efficiency and effectiveness of various processes within the industry.
Latest Patents
One of his latest patents is a method of improving retention and drainage in a papermaking process using low molecular weight cationic dispersion polymers. This invention focuses on enhancing retention and drainage performance by adding an effective amount of a low molecular weight water-soluble cationic dispersion polymer to the furnish. The polymer is prepared by polymerizing one or more cationic monomers, one or more nonionic monomers, and one or more chain transfer agents under free radical forming conditions in an aqueous solution of an anionic salt, with the presence of a stabilizer polymer. The cationic dispersion has a cationic charge ranging from about 10 mole percent to about 80 mole percent and an RSV of from about 0.2 dl/g to about 6 dl/g. Another significant patent is a method for dewatering sludge, which further showcases his expertise in improving industrial processes.
Career Highlights
Throughout his career, John has worked with prominent companies such as Nalco Chemical Company and Ondeo Nalco Company. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in the papermaking industry.
Collaborations
John has collaborated with notable coworkers, including Kristine S Siefert and Dodd W Fong. These partnerships have played a crucial role in the development of his patents and innovations.
Conclusion
John W Sparapany is a distinguished inventor whose work has significantly impacted the papermaking industry. His innovative methods and collaborations have led to advancements that enhance efficiency and performance in various processes.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.