Dirk Van Haver

Title: Dirk Van Haver: Innovator in Photographic Materials

Introduction

Dirk Van Haver is a notable inventor based in Sint-Niklaas, Belgium. He has made significant contributions to the field of photographic materials, holding two patents that showcase his innovative approach to this technology.

Latest Patents

His latest patents include a silver halide photographic material that contains a new type of hydrazide compounds. This material is represented by a specific general formula, with preferred embodiments that include pyridinium, quinolinium, or isoquinolinium. The photographic material is designed to be a graphic arts recording material, achieving high gradation and excellent hard dot quality. Another patent involves a photographic element that contains a compound capable of releasing a photographic useful group (PUG) through a mechanism that involves radical formation under development conditions. This compound is preferably a hydrazine derivative or a 1-aryl-3-pyrazolidinone derivative.

Career Highlights

Dirk Van Haver works at Agfa Gevaert NV, a company known for its expertise in imaging technology. His work has significantly advanced the capabilities of photographic materials, making them more efficient and effective for various applications.

Collaborations

He has collaborated with notable coworkers such as Johan August Loccufier and Jean-Marie O Dewanckele, contributing to the innovative projects at Agfa Gevaert NV.

Conclusion

Dirk Van Haver's contributions to photographic materials through his patents reflect his dedication to innovation in the field. His work continues to influence the industry and enhance the quality of photographic products.