David Stephen Grainger

Title: David Stephen Grainger: Innovator in Detergent and Fabric Softener Compositions

Introduction

David Stephen Grainger is a notable inventor based in Chester, GB. He has made significant contributions to the field of detergent and fabric softener compositions. With a total of 3 patents, Grainger's work focuses on enhancing the effectiveness and efficiency of cleaning products.

Latest Patents

Grainger's latest patents include innovative formulations that improve the performance of household products. One of his patents is for a detergent composition comprising secondary alkane sulfonate, a second anionic surfactant, and an alkyl hydroxysultaine co-surfactant. This composition includes from 1 to 40 wt. % of a secondary alkane sulfonate surfactant with an average of 15 to 18 carbon atoms in a linear alkane chain. Additionally, it contains from 1 to 40 wt. % of an anionic surfactant other than the secondary alkane sulfonate surfactant, and from 0.01 to 8% of an alkyl hydroxysultaine co-surfactant. Another patent focuses on a fabric softener composition that includes a betaine ester and a fatty co-softener, comprising 1 to 20 wt. % of an ionic compound and 0.1 to 20 wt. % of a fatty co-softener, along with water.

Career Highlights

David Stephen Grainger is currently employed at Conopco, Inc., where he continues to develop innovative products. His work has significantly impacted the cleaning product industry, leading to more effective and environmentally friendly solutions.

Collaborations

Grainger has collaborated with notable colleagues such as Jean-Christophe Castaing and Hugh Rieley. These partnerships have fostered a creative environment that encourages innovation and the development of new products.

Conclusion

David Stephen Grainger is a prominent inventor whose contributions to detergent and fabric softener compositions have advanced the industry. His innovative patents reflect a commitment to improving household cleaning products.