This inventor holds 2 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1979-1988.
Location History:
- Kelkheim, Taunus, DE (1979)
- Kriftel, DE (1988)
Company Filing History:
Years Active: 1979-1988
Title: Christa Uhde: Innovator in Pigment Formulations
Introduction
Christa Uhde is a notable inventor based in Kelkheim, Germany. She has made significant contributions to the field of pigment formulations, holding 2 patents that showcase her innovative spirit and technical expertise.
Latest Patents
Her latest patents include "Pasty pigment formulations, the preparation and use thereof," which focuses on creating pasty pigment formulations that are free of aromatic-containing mineral oils. These formulations are particularly suitable for preparing printing inks, especially in letterpress and offset printing. The process involves flushing aqueous presscakes of pigments with a flushing resin solution in aromatics-free mineral oil, resulting in a high-quality paste modified with an oil- or fatty-acid modified alkyd resin. Another significant patent is for a "Process for the preparation of disperse dyes having good printing." This invention addresses the challenge of high viscosity in printing inks by treating disperse dyestuffs in a liquid medium at controlled temperatures, ensuring the production of inks with low and consistent viscosity.
Career Highlights
Christa Uhde has built her career at Hoechst Aktiengesellschaft, a prominent company in the chemical industry. Her work has been instrumental in advancing the technology behind pigment formulations, making her a key player in her field.
Collaborations
Throughout her career, she has collaborated with notable colleagues such as Konrad Opitz and Manfred Schneider, contributing to various projects that enhance the quality and application of printing inks.
Conclusion
Christa Uhde's innovative contributions to pigment formulations and her dedication to advancing printing technology highlight her importance in the field. Her patents reflect her commitment to creating environmentally friendly and efficient solutions for the printing industry.