Company Filing History:
Years Active: 1983-1987
Title: Innovations of Charles D. Stevens in Marine Antifouling Coatings
Introduction
Charles D. Stevens is a notable inventor based in Long Beach, CA (US), recognized for his contributions to marine antifouling technology. He holds 2 patents that focus on innovative coating compositions designed to prevent the growth of marine organisms on vessels.
Latest Patents
Stevens' latest patents include the development of an organotin acrylate and organotin polysiloxane antifouling coating. This invention provides a marine antifouling coating composition that comprises a tributyltin acrylate coresin in the range of about 10% to about 25% by weight, along with a tributyltin polysiloxane coresin in the range of about 2% to about 20% by weight. The composition also includes at least one filler in the range of about 10% to about 50% by weight and a solvent in an amount of from about 20% to about 50% by weight. Preferred tributyltin acrylate coresins comprise copolymers of tributyltin methacrylate monomers and methyl methacrylate monomers. Another significant patent involves an organotin polysiloxane and acrylic antifouling coating, which comprises an acrylic resin such as methyl methacrylate in the range of 6% to 20% by weight, and a polysiloxane with tributyltin moieties that are toxic to marine organisms. The polysiloxane is present in the range of 7% to 25% by weight, and the composition is dissolved in a solvent ranging from 18% to 52% by weight.
Career Highlights
Stevens is currently associated with Ameron, Inc., where he continues to innovate in the field of marine coatings. His work has significantly impacted the effectiveness of antifouling technologies, contributing to the protection of marine environments.
Collaborations
Some of his notable coworkers include Raymond E. Foscante and Lee M. Parson, who have collaborated with him on various projects related to marine coatings.
Conclusion
Charles D. Stevens is a prominent inventor whose work in marine antifouling coatings has led to significant advancements in the industry. His innovative patents reflect a commitment to enhancing marine technology and