Richard L Sparks

Title: Innovations by Richard L Sparks

Introduction

Richard L Sparks is an accomplished inventor based in Chesapeake, VA (US). He holds a total of 3 patents that showcase his contributions to the field of materials science and absorbent technologies. His work has significantly impacted the design and functionality of absorbent articles.

Latest Patents

One of Richard's latest patents is for a breathable composite sheet structure and absorbent articles utilizing the same. This innovative composite sheet material consists of a thermoplastic film adhered directly to a fibrous substrate. The thermoplastic film is made up of at least 50% by weight of polymer materials, including block copolyether esters, block copolyether amides, and polyurethanes. The substrate is composed of a fibrous web of at least 50% by weight of polyolefin polymer synthetic fibers. The composite sheet demonstrates a peel strength of at least 0.1 N/cm, a dynamic fluid transmission of less than about 0.75 g/m when subjected to an impact energy of about 2400 joules/m, and a moisture vapor transmission rate of at least 1500 g/m/24 hr. The absorbent article, which may include a disposable diaper, features a topsheet, a backsheet, and an absorbent core located between them, with the backsheet made from the described composite sheet material.

Career Highlights

Richard has worked with notable companies, including Procter & Gamble, where he has contributed to the development of innovative products. His expertise in materials science has allowed him to create solutions that enhance the performance of absorbent articles.

Collaborations

Richard has collaborated with talented individuals such as Nora Liu Carroll and Hyun Sung Lim, who have contributed to his projects and innovations.

Conclusion

Richard L Sparks is a notable inventor whose work in breathable composite materials has advanced the field of absorbent technologies. His patents reflect a commitment to innovation and improvement in product design.