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For the Inventor, By the Inventor

Sonnberg, Austria

Gerhard Stern

USPTO Granted Patents = 11

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 68(Granted Patents)


Company Filing History:

goldMedal9 out of 43 
 
Chemie Linz Gesellschaft M.b.h.
 patents
silverMedal2 out of 19 
 
Dsm Chemie Linz Gmbh
 patents

Years Active: 1990-1997

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11 patents (USPTO):Explore Patents
1. 5629397 - 2,6-dimethylphenylmaleimide as a comonomer for styrene copolymers and (1997-05-13),
2. 5597917 - Method for the production of N-cyclic and N,N'-dicyclic ureas and their (1997-01-28),
3. 5481035 - Process for the preparation of asymmetrically substituted ureas, (1996-01-02),
4. 5414083 - Method for the production of N-cyclic and N,N'-dicyclic ureas and their (1995-05-09),
5. 5360601 - Process for the preparation of isocyanic acid by the decomposition of (1994-11-01),
6. 5248755 - Process for the preparation of asymmetrically substituted ureas, (1993-09-28),
7. 5223635 - Preparation of organic compounds using as a reactant an adduct of (1993-06-29),
8. 5091553 - Process for the preparation of substituted isocyanates (1992-02-25),
9. 5078980 - Process for the removal of isocyanic acid from a mixture of isocyanic (1992-01-07),
10. 5043444 - Process for the preparation of asymmetrically substituted ureas (1991-08-27),
11. 4910003 - Process for selective removal and destruction of hydrogen cyanide from (1990-03-20),

Title: The Innovations of Gerhard Stern

Introduction

Gerhard Stern, an accomplished inventor based in Sonnberg, Austria, has made significant contributions to the field of chemistry. With an impressive portfolio, he holds a total of 11 patents, showcasing his innovative spirit and dedication to advancing chemical processes and materials.

Latest Patents

Stern's latest inventions reflect his expertise in polymer chemistry and urea compounds. One of his notable patents involves the use of 2,6-dimethylphenylmaleimide as a comonomer for styrene copolymers. This innovation results in materials that exhibit an increased glass transition temperature and low intrinsic coloration compared to earlier methodologies. Additionally, he has developed a method for the production of N-cyclic and N,N'-dicyclic ureas, enhancing the dissolution of chemical compounds using specialized ureas where one nitrogen atom is part of a non-aromatic ring. This method involves dialkylating urea's --NH₂ group in the presence of a solid base and a phase-transfer catalyst, representing a significant advancement in the field.

Career Highlights

Stern's career has been marked by his work with leading chemical companies such as Chemie Linz Gesellschaft M.b.h. and DSM Chemie Linz GmbH. His experience in these organizations has undoubtedly contributed to his innovative capabilities and understanding of complex chemical processes.

Collaborations

Throughout his career, Gerhard Stern has collaborated with esteemed colleagues, including Martin Mullner and Markus Rossler. These partnerships reflect a commitment to teamwork and shared expertise in the pursuit of groundbreaking inventions.

Conclusion

Gerhard Stern's contributions to the field of chemistry through his patents and collaborative efforts demonstrate his role as a pivotal inventor. His innovative work not only pushes the boundaries of what is possible in chemical engineering but also lays the groundwork for future advancements in materials science. As an inventor, he exemplifies the spirit of innovation that drives the industry forward.

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