Herman J Geurta

Title: Herman J Geurta: Innovator in Lead Chromate Pigments

Introduction

Herman J Geurta is a notable inventor based in Kerkrade, Netherlands. He has made significant contributions to the field of pigments, particularly with his innovative work on lead chromate pigments. His expertise and creativity have led to the development of unique formulations that enhance the quality and application of pigments in various industries.

Latest Patents

Herman J Geurta holds a patent for "Orthorhombic greenish-tinged lead chromate pigments." This invention involves orthorhombic greenish-tinged lead chromate pigments containing lead chromate and lead sulfate in a weight ratio of 91:9 to 100:0. These pigments are distinguished by a tinctorial strength of 0.053 to 0.066 at a standard depth of color of 1/25 in accordance with DIN 53235. The pigments are obtainable by mixing an aqueous solution of a lead salt with an aqueous solution of a chromate and, if necessary, of a sulfate under high turbulence in the presence of an aluminium salt and in the absence of zinc salts.

Career Highlights

Herman J Geurta has had a successful career, working with Ciba-Geigy Corporation, a prominent player in the chemical industry. His work has not only contributed to the company's portfolio but has also advanced the field of pigment technology.

Collaborations

Throughout his career, Herman has collaborated with notable colleagues, including Leonardus Johannes Erkens and Jean L Vandevenne. These collaborations have fostered innovation and have been instrumental in the development of new products and technologies.

Conclusion

Herman J Geurta's contributions to the field of pigments, particularly through his patent on lead chromate pigments, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and showcases the importance of creativity in scientific development.