This inventor holds 8 USPTO granted patents, plus 2 CIPO patents. Top assignees: Dsm Fine Chemicals Austria Nfg Gmbh & Co. Kg, Dsm Chemie Linz Gmbh. Active years: 1999-2010.
Company Filing History:
7 out of 50 
1 out of 19 Years Active: 1999-2010
Title: The Innovative Contributions of Karlheinz Giselbrecht
Introduction
Karlheinz Giselbrecht is a distinguished inventor based in Pasching, Austria, with a prolific track record of innovations in the chemical industry. With a total of eight patents to his name, Giselbrecht has made significant contributions to the field, particularly in the area of high-purity chemical processes.
Latest Patents
Among his latest patents, Giselbrecht has developed a groundbreaking **process for preparing high-purity, halogen-free o-phthalaldehyde**. This improved method focuses on the preparation of o-phthalaldehyde, which is crucial for various applications in the chemical sector. Furthermore, he has patented a **method for producing aqueous ortho-phthalaldehyde solutions**. This innovative approach involves introducing an acetal of o-phthalaldehyde into water and adjusting the pH to below 7 by adding acid. The process allows for the conversion of the acetal into o-phthalaldehyde by eliminating the corresponding alcohol, while also employing OPA acetals for the production of these solutions.
Career Highlights
Giselbrecht's career includes significant roles at **DSM Fine Chemicals Austria Nfg GmbH & Co KG** and **DSM Fine Chemicals Austria Nfg GmbH & Co. Kg**. His work in these esteemed companies has enabled him to apply his expertise in chemical innovation and patent development.
Collaborations
Throughout his career, Giselbrecht has collaborated with esteemed colleagues, including Rudolf Hermanseder and Klaus Reiter. These partnerships have played a vital role in enhancing the scope of his research and innovations, contributing to the successful development of his patented processes.
Conclusion
Karlheinz Giselbrecht continues to influence the field of chemical engineering with his innovative inventions and patents. His commitment to improving the purity and production methods of chemical compounds underscores the importance of innovation in driving advancements in the industry. With ongoing contributions, he remains a key figure in the field of chemistry and patent development, inspiring future generations of inventors.