This inventor holds 6 USPTO granted patents. Top assignees: Huels Aktiengesellschaft, Degussa Aktiengesellschaft, Degussa-Huels Aktiengesellschaft. Active years: 1998-2004.
Company Filing History:
4 out of 580 
1 out of 1,694 
1 out of 50 Years Active: 1998-2004
Title: Hartwig Lange: Innovator in Polyisocyanate Dispersions
Introduction
Hartwig Lange is a notable inventor located in Haltern, Germany. With an impressive portfolio of six patents, Lange has made significant contributions to the field of polyisocyanate dispersions, particularly in developing formulations that enhance stability and efficacy.
Latest Patents
One of Lange's latest patents is focused on creating stable and high-solids aqueous dispersions of blocked polyisocyanates. This innovation involves preparing a solution from a mixture of blocked, hydrophilically modified and hydrophobic polyisocyanates in an auxiliary solvent. The process includes adding water to achieve a two-phase system that maintains both a disperse polyisocyanate phase and a continuous aqueous phase. Notably, his method enables the formation of dispersions that are virtually free from auxiliary solvents, highlighting his dedication to optimizing formulation efficiency.
Career Highlights
Throughout his career, Hartwig Lange has worked with reputable companies such as Hüls Aktiengesellschaft and Degussa Aktiengesellschaft. His experience at these organizations has enabled him to develop his innovative ideas further and to implement advanced technologies in the field of polymer chemistry.
Collaborations
Lange's collaborations with colleagues like Klaus Janischewski and Dirk Reichel have played a pivotal role in his inventive process. Their shared expertise and complementary skills have supported the development of groundbreaking solutions in the chemical industry.
Conclusion
In summary, Hartwig Lange's dedication to innovation and his impressive track record of patents underscore his impact in the field of polyisocyanate dispersions. His work continues to influence the industry positively, making him a noteworthy inventor in contemporary scientific research.