This inventor holds 5 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: International Paper Company, The Procter Gamble Company, Weyerhaeuser Nr Company. Active years: 2015-2023.
Location History:
- Federal Way, WA (US) (2015 - 2019)
- Seattle, WA (US) (2019 - 2023)
Company Filing History:
3 out of 1,175 
1 out of 17,173 
1 out of 203 
Years Active: 2015-2023
Title: The Innovative Contributions of Karen Brogan
Introduction
Karen Brogan is a notable inventor based in Federal Way, WA (US), recognized for her significant contributions to the field of materials science. With a total of five patents to her name, she has made remarkable advancements in the development of grafted crosslinked cellulose materials.
Latest Patents
Her latest patents focus on grafted crosslinked cellulose, which includes cellulose fibers and polymer chains composed of at least one monoethylenically unsaturated acid group-containing monomer, such as acrylic acid. These materials are characterized by a wet bulk of about 10.0-17.0 cm³/g, an IPRP value ranging from 1000 to 7700 cm²/MPa·sec, and a MAP value of about 7.0 to 38 cm H₂O. The methods for producing these materials involve grafting polymer chains from a cellulosic substrate and treating the grafted material with a crosslinking agent to effect crosslinking. Various crosslinking mechanisms, including esterification reactions, ionic reactions, and radical reactions, are employed, utilizing agents such as pentaerythritol and hyperbranched polymers.
Career Highlights
Throughout her career, Karen has worked with prominent companies, including International Paper Company and Weyerhaeuser Company. Her expertise in materials science has allowed her to contribute to innovative projects that enhance the functionality of absorbent articles.
Collaborations
Karen has collaborated with notable professionals in her field, including Charles E. Miller and Angel Stoyanov. These partnerships have further enriched her work and expanded the impact of her inventions.
Conclusion
Karen Brogan's innovative work in grafted crosslinked cellulose materials showcases her dedication to advancing materials science. Her contributions have not only led to multiple patents but have also influenced the development of new applications in absorbent technologies.