This inventor holds 4 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1976-1980.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Wilmington, DE (US) (1976 - 1978)
- Greenville, DE (US) (1980)
Company Filing History:
Years Active: 1976-1980
Title: Howard Warner Starkweather, Jr: Innovator in Polymer Chemistry
Introduction
Howard Warner Starkweather, Jr. is a notable inventor based in Wilmington, DE (US). He has made significant contributions to the field of polymer chemistry, holding a total of 4 patents. His work primarily focuses on the development of advanced materials with enhanced properties.
Latest Patents
Starkweather's latest patents include innovative compositions and methods that improve the performance of polymer materials. One of his patents describes a graft copolymer of a neutralized acid copolymer trunk and polyamide. This graft copolymer is made from a trunk copolymer of ethylene and α,β-ethylenically unsaturated monocarboxylic acid, which is partially neutralized by metal ions such as zinc, cadmium, or lead. The incorporation of these metal ions facilitates the grafting of polyamide to monocarboxylic groups, enhancing the material's properties.
Another significant patent involves a composition of polyamide and polyethylene ionomer copolymer. This composition consists of 65 to 89% by weight of crystallizable polyamide, 10 to 30% by weight of polyethylene, and 1 to 20% by weight of a copolymer comprising polymerized units of ethylene and at least one α,β-ethylenically unsaturated carboxylic acid. The copolymer has 15 to 80% of carboxylic acid groups ionized by neutralization with metal ions. This composition exhibits excellent tensile properties, including toughness, making it suitable for moldings and insulated wire jacketing.
Career Highlights
Howard Warner Starkweather, Jr. is currently associated with E.I. du Pont de Nemours and Company, a leading organization in the field of materials science. His work at DuPont has allowed him to explore and develop innovative polymer solutions that address various industrial needs.
Collaborations
Throughout his career, Starkweather has collaborated with several talented individuals, including Michael Joseph Mutz and Clarence Frederick Hammer. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Howard Warner Starkweather, Jr. is a distinguished inventor whose work in polymer chemistry has led to the development of innovative materials with practical applications. His contributions continue to influence the field and demonstrate
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile