Robert J Hagenbach

Title: The Innovations of Robert J. Hagenbach

Introduction

Robert J. Hagenbach is a notable inventor based in Rochester, NY, who has made significant contributions to the field of xerographic imaging. With a total of nine patents to his name, Hagenbach's work has advanced the technology used in printing and imaging systems.

Latest Patents

One of Hagenbach's latest patents focuses on carrier and developer compositions generated from fly ash particles. These carrier particles, with an average diameter greater than 44 microns, are created from fly ash and mixed with toner compositions. This innovation enables the development of compositions that are particularly useful for incorporation into xerographic imaging apparatuses. The carrier particles exhibit an apparent density ranging from about 2.4 to 2.6 grams/cm³ and possess a magnetic moment between 60 and 70 electromagnetic units. The resulting developer compositions produce images with minimal background deposits, eliminating dark bands and white spots, thereby enhancing the quality of printed materials.

Career Highlights

Hagenbach has spent a significant portion of his career at Xerox Corporation, where he has been instrumental in developing advanced imaging technologies. His expertise in creating effective carrier and developer compositions has positioned him as a key figure in the field.

Collaborations

Throughout his career, Hagenbach has collaborated with several talented individuals, including Rudolph Forgensi and Robert G. Johnston. These partnerships have contributed to the successful development of innovative technologies in the imaging sector.

Conclusion

Robert J. Hagenbach's contributions to xerographic imaging through his innovative patents have significantly impacted the industry. His work continues to influence the development of high-quality imaging technologies.