Donald W Knoll

Title: The Innovations of Donald W. Knoll

Introduction

Donald W. Knoll is a notable inventor based in Waukesha, WI (US). He has made significant contributions to the field of hair care products, particularly through his innovative patents. With a total of 2 patents, Knoll has focused on improving the safety and effectiveness of shampoos.

Latest Patents

One of Knoll's latest patents addresses the issue of ocular irritancy in anionic shampoos. This patent describes a method to reduce the irritancy of aqueous shampoo compositions containing an eye irritating anionic surfactant. By adding an ethylene oxide homopolymer, the irritancy is significantly decreased, making the compositions suitable for hair, face, and body cleaning. Another important patent focuses on a therapeutic hair care composition designed for the local treatment of dandruff, seborrheic dermatitis, and psoriasis. This composition features a low pH and includes a keratolytic agent, such as salicylic acid, stabilized against oxidative decomposition.

Career Highlights

Knoll is currently employed at S. C. Johnson Son, Inc., where he continues to develop innovative products. His work has contributed to advancements in hair care formulations, enhancing both their safety and therapeutic benefits.

Collaborations

Throughout his career, Knoll has collaborated with notable coworkers, including David L. Shelton and Thomas J. Szymczak. These collaborations have likely played a role in the successful development of his patented innovations.

Conclusion

Donald W. Knoll's contributions to the field of hair care through his patents demonstrate his commitment to innovation and safety. His work continues to impact the industry positively.