Theodore J Crona

Title: The Innovations of Theodore J Crona

Introduction

Theodore J Crona is an accomplished inventor based in New Martinsville, WV (US). He has made significant contributions to the field of lithographic printing through his innovative patents. With a total of 2 patents, Crona has demonstrated his expertise and creativity in developing advanced materials for printing applications.

Latest Patents

Crona's latest patents focus on substrates for lithographic printing plates. The first patent describes a substrate made of a rolled aluminum alloy sheet with a specific composition. This composition includes 0.8 to 2.0% Fe, up to 0.8% Si, and up to 1.0% Mn, ensuring that the sum of the Si and Mn contents lies between 0.3 and 1.3%. Additionally, the substrate may contain up to 0.3% Cu, up to 0.8% Mg, and up to 2.0% Zn, with the remainder being aluminum. The manufacturing process involves casting this composition as a 5 to 12 mm thick strip, which is then fabricated into a 0.03 to 0.6 mm thick rolled sheet. The second patent reiterates this innovative process for creating a substrate for lithographic printing plates, emphasizing the same composition and manufacturing techniques.

Career Highlights

Crona is currently employed at Swiss Aluminium Ltd., where he continues to push the boundaries of material science and engineering. His work has not only advanced the technology used in printing but has also contributed to the efficiency and quality of printed materials.

Collaborations

Crona has collaborated with notable coworkers, including Heinz Bichsel and Jurgen Timm. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Theodore J Crona's contributions to the field of lithographic printing through his patents highlight his role as a significant inventor. His work at Swiss Aluminium Ltd. and collaborations with esteemed colleagues further enhance his impact on the industry.