Charles Nathaniel Knowlton

Title: Charles Nathaniel Knowlton: Innovator in Fabric Care Technology

Introduction

Charles Nathaniel Knowlton is a notable inventor based in Glen Rock, NJ (US). He has made significant contributions to the field of fabric care technology, holding a total of 3 patents. His work focuses on enhancing the effectiveness of dryer sheets and liquid detergent compositions.

Latest Patents

One of Knowlton's latest patents involves non-cationic systems for dryer sheets. This invention describes tumble dryer articles that provide anti-static softening, stain removal, stain guard, and anti-active build-up benefits in an automatic clothes dryer. The composition includes 3 to 80 wt. % of a nonionic surfactant with an HLB value greater than 11, 3 to 50 wt. % of an anionic surfactant, and up to 25 wt. % of an aqueous ingredient. The total amount of nonionic and anionic surfactants must be 20 wt. % or more, with a specific ratio of aqueous ingredient to anionic surfactant being less than 2:1. Additionally, he has developed aqueous liquid compositions comprising peracid compounds, which are essential for effective liquid detergent formulations.

Career Highlights

Charles Knowlton is associated with Lever Brothers Company, a division of Conopco, Inc. His work at this company has allowed him to innovate and develop new products that enhance consumer experiences in fabric care.

Collaborations

Throughout his career, Knowlton has collaborated with talented individuals such as Janet L. Coope and Daniel J. Kuzmenka. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Charles Nathaniel Knowlton is a distinguished inventor whose work in fabric care technology has led to innovative solutions that benefit consumers. His contributions continue to shape the industry and improve the effectiveness of laundry products.