Mario Tavella

Title: Mario Tavella and His Photographic Imaging Patents.

Introduction

Mario Tavella is an inventor associated with Savona, Italy, and 3M Innovative Properties Company. His patent work concerns photographic materials and processes for producing direct-positive images. He is credited with 2 patents.

Latest Patents

Tavella’s listed patents address related photographic technologies that use internal latent-image silver halide emulsions and developer autoxidation promoters.

“5-(1,2,4)-triazolyl-S-triazines” describes direct-positive photographic elements using heterocyclic compounds with an azomethine group and a methine group substituted with a 5-amino-1,2,4-triazolyl group, or copper complexes of those compounds. The disclosure also describes multilayer color elements with emulsion layers sensitized to different regions of visible light and photographic color couplers.

“Process for forming direct positive images, direct positive silver” presents related direct-positive photographic elements and image-forming processes based on internal latent-image silver halide emulsions and the same class of developer autoxidation promoter agents.

Career Highlights

The available information connects Tavella’s inventive work with photographic chemistry and image formation. His listed patents focus on materials and processes intended to support direct-positive photographic imaging.

Collaborations

Tavella’s listed coworkers include Luigi Valbusa and Enzo Coraluppi. His company affiliation is 3M Innovative Properties Company.

Conclusion

Mario Tavella’s patent record highlights contributions to direct-positive photography, particularly through silver halide emulsions and chemical agents used in photographic image formation.