Häkan Engqvist

Title: Häkan Engqvist and Radiopaque Ceramic Materials.

Introduction

Häkan Engqvist is an inventor associated with Knivsta, Sweden, and Doxa Aktiebolag. His patent work concerns powdered materials that can be hydrated into radiopaque, chemically bonded ceramic materials.

Latest Patents

The supplied information lists 1 patent for Engqvist: “Method for the Manufacturing of a Powdered Material, the Powdered Material and a Ceramic Material Manufactured Therefrom.” The invention describes a powdered material with a cement-based binder phase that reacts with a liquid to form a ceramic material. The binder phase mainly consists of calcium aluminate compounds, including CaO·Al₂O₃ and/or 3CaO·Al₂O₃, and the material contains one or more heavy elements with a density greater than 5 g/cm³ to provide radiopacity. The patent also describes manufacturing methods and specifies a maximum molar ratio of 2:1 for Al₂O₃·3H₂O to 3CaO·Al₂O₃·6H₂O in the binder phase.

Career Highlights

Engqvist’s listed patent reflects work on cement-based materials designed to combine chemical bonding, ceramic formation, and radiopacity. Doxa Aktiebolag is identified as the company where he works.

Collaborations

Leif Hermansson is identified as Engqvist’s coworker. The supplied information does not specify their roles in the patent or describe a particular collaboration.

Conclusion

Häkan Engqvist’s listed invention focuses on a powdered cement-based material that can form a radiopaque, chemically bonded ceramic, connecting his patent work with Doxa Aktiebolag.