Lawrence D Schwartz

Title: Innovations of Lawrence D Schwartz in Permanent Indicia Technology

Introduction

Lawrence D Schwartz, an accomplished inventor based in Menlo Park, California, has made significant contributions to the field of polymeric surface marking. With two patents to his name, Schwartz has focused on enhancing the permanence of markings on heat-recoverable marker sleeves for wires and cables, a critical need in industries such as aerospace.

Latest Patents

Schwartz's latest patents highlight his expertise in creating durable markings on various polymeric surfaces. His first patent describes an article featuring permanent indicia applied to a black, heat-recoverable marker sleeve for wire or cable. This innovation utilizes an ink composition that includes a thermally stable pigment, such as titanium dioxide, combined with a binder like nitrocellulose. Upon heating the surface, the marks become permanent, demonstrating compliance with MIL-STD-202 standard for mark permanence.

The second patent showcases a polyolefin article that also features permanent indicia. This innovation involves marking a surface made of olefin polymer using an ink containing a binder that cures effectively at temperatures between 100 to 300 degrees Celsius in less than 10 minutes. The resulting indicia are not only resistant to abrasion but also solvent resistant, making these heat-recoverable marker sleeves particularly advantageous for applications in aircraft harnessing.

Career Highlights

Schwartz's tenure at Raychem Limited has been marked by innovation and a commitment to advancing marking technology. His contributions are not just limited to his patents; he is recognized for his problem-solving skills and dedication to improving product performance in demanding environments.

Collaborations

Throughout his career, Schwartz has collaborated with notable colleagues, including David Ryan and Philip Wallis. These partnerships have fostered a culture of innovation at Raychem Limited, leading to advancements that benefit various industries.

Conclusion

Lawrence D Schwartz is an exemplary inventor whose work with permanent indicia technology has significantly impacted the safety and reliability of wire and cable marking solutions. As industries continue to demand more durable materials, Schwartz’s contributions will undoubtedly pave the way for further innovations in this critical area.