This inventor holds 2 USPTO granted patents. Top assignee: The Boots Company Plc. Active years: 1991-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1991-1993
Title: The Innovations of Stephen Boothroyd
Introduction
Stephen Boothroyd is a notable inventor based in Nottingham, GB. He has made significant contributions to the field of cosmetic formulations, particularly in sunscreen and depilatory compositions. With a total of 2 patents to his name, Boothroyd continues to innovate in his industry.
Latest Patents
Boothroyd's latest patents include a sunscreen composition that features a water-in-oil emulsion. This composition comprises 0.5 to 30% by weight of titanium dioxide with a mean primary particle size of less than 100 nm, 5 to 20% by weight of an oil phase, 1 to 15% by weight of an emulsifier, and at least 40% by weight of an aqueous phase. The titanium dioxide may be coated with aluminium stearate, and further sunscreening agents can be included. The oil phase may consist of hydrocarbon oil, wax, natural oil, silicone oil, or a mixture. Preferred emulsifiers include sesquioleates such as polyglyceryl-2-sesquioleate or sorbitan sesquioleate, as well as polyethoxylated esters of derivatives of natural oils.
His second patent is a depilatory composition that includes a depilatory compound, specifically potassium thioglycolate, along with a tertiary amine of a general formula. These innovations reflect Boothroyd's commitment to enhancing personal care products.
Career Highlights
Stephen Boothroyd has built a career at The Boots Company Plc, where he has been instrumental in developing new formulations that meet consumer needs. His work has contributed to the company's reputation for quality and innovation in the cosmetic industry.
Collaborations
Throughout his career, Boothroyd has collaborated with talented individuals such as Arija M Stammers and Edward Galley. These partnerships have fostered a creative environment that encourages the development of groundbreaking products.
Conclusion
Stephen Boothroyd is a distinguished inventor whose work in sunscreen and depilatory compositions has made a significant impact in the cosmetic industry. His innovative spirit and dedication to quality continue to drive advancements in personal care products.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile