Heinfred Ohleier

Title: Heinfred Ohleier: Innovator in Pigment Technology

Introduction

Heinfred Ohleier is a notable inventor based in Kelsterbach, Germany. He has made significant contributions to the field of pigment technology, holding a total of 4 patents. His innovative approaches have led to advancements in the production and application of pigment granules.

Latest Patents

Ohleier's latest patents include a method for the production of pigment granules. This method involves mixing an aqueous suspension of an organic pigment with an aqueous emulsion of a wax-like additive. The aqueous emulsion is then allowed to coagulate, and the resulting aqueous dispersion is spray dried. Another significant patent is for powdery pigment preparations for dyeing films. This invention relates to a powdery pigment preparation containing a pigment dispersed in an acrylate resin. The acrylate resin has an average molecular mass Mw ranging from 40,000 to 80,000 g/mol and is a copolymer comprised of 50 to 65 mol % ethyl methacrylate, 30 to 45 mol % butyl methacrylate, and 0.5 to 5 mol % methacrylic acid. This preparation can be used for dyeing films, particularly those made of polymethyl methacrylate, ensuring that the films do not have any specks or holes.

Career Highlights

Throughout his career, Ohleier has worked with prominent companies in the industry, including Clariant Produkte (Deutschland) GmbH and Clariant Corporation. His work has been instrumental in developing new technologies and improving existing processes in pigment production.

Collaborations

He has collaborated with notable colleagues such as Hans Joachim Metz and Andreas Stohr, contributing to various projects and innovations in the field.

Conclusion

Heinfred Ohleier's contributions to pigment technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the field positively.