John L Greak

Title: Innovations of John L Greak in Water Repellent Fabrics

Introduction

John L Greak is an accomplished inventor based in Houston, TX (US). He has made significant contributions to the field of fabric technology, particularly in the development of water repellent fabrics. With a total of 3 patents to his name, Greak's work has garnered attention for its practical applications and innovative processes.

Latest Patents

Greak's latest patents focus on a process to produce water repellent fabrics. The first patent describes a method that involves providing a fabric substrate with sites reactive to polymeric functional groups. The process includes contacting the fabric substrate with a functional group containing polymer, removing any unreacted functional group containing polymer, and ultimately recovering a water repellent fabric. Notably, the appearance, stiffness, and texture of the treated fabric remain similar to that of the untreated fabric, ensuring an excellent hand feel.

Career Highlights

John L Greak is currently associated with Shell Oil Company, where he applies his expertise in fabric technology. His innovative approach has led to advancements in the production of water repellent materials, which are essential in various industries.

Collaborations

Greak has collaborated with notable coworkers, including Lee Nicky Morgenthaler and William H Korcz. Their combined efforts have contributed to the successful development of Greak's patented technologies.

Conclusion

John L Greak's contributions to the field of water repellent fabrics demonstrate his innovative spirit and commitment to advancing fabric technology. His patents reflect a blend of practicality and creativity, making a significant impact in the industry.