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For the Inventor, By the Inventor

Krefeld, Germany

Otto Immel

USPTO Granted Patents = 42

Average Co-Inventor Count = 3.2

ph-index = 10

Forward Citations = 272(Granted Patents)


Company Filing History:

goldMedal42 out of 12,157 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-2000

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42 patents (USPTO):Explore Patents
1. 6140382 - Process for the preparation of isocyanates or isocyanate mixtures useful (2000-10-31),
2. 6111140 - Ru--Pd halogen-free catalyzers and method for producing cycloaliphatic (2000-08-29),
3. 5985227 - Process for removing sulfur compounds from industrial gases (1999-11-16),
4. 5763350 - Catalysts for removing sulfur compounds from industrial gases, a process (1998-06-09),
5. 5583251 - Process for the production of isocyanates and for the production of (1996-12-10),
6. 5552362 - Catalysts for the removal of sulfur compounds from industrial gases, a (1996-09-03),
7. 5434310 - Process for the preparation of acylbenzenes (1995-07-18),
8. 5386060 - Palladium catalyst and its use in the preparation of a mixture of (1995-01-31),
9. 5371294 - Process for the preparation of a mixture of cyclohexylamine and (1994-12-06),
10. 5344987 - Process for preparing diphenylamines (1994-09-06),
11. 5338885 - Process for the preparation of diphenylamines (1994-08-16),
12. 5338861 - Process for the preparation of N-substituted lactams (1994-08-16),
13. 5322965 - Process for the preparation of a mixture of cyclohexylamine and (1994-06-21),
14. 5304525 - Catalyst for the preparation of aniline (1994-04-19),
15. 5302774 - Process for the production of bisphenols (1994-04-12),

Title: Innovations of Otto Immel: Pioneering Isocyanate Technology

Introduction

Otto Immel, a prominent inventor based in Krefeld, Germany, has made significant contributions to the field of chemistry with a remarkable portfolio of 42 patents. His work primarily centers on the development of isocyanates, compounds essential for producing various polyurethane products.

Latest Patents

Among his latest patents, one notable innovation is a process for the preparation of isocyanates or isocyanate mixtures that are notably free of color-imparting components. This inventive process involves treating isocyanates with hydrogen in the presence of a catalyst under specific conditions, including a pressure range of approximately 3 to 150 bar and a temperature between 100°C and 180°C for a duration of 15 minutes to 4 hours. The resulting isocyanates are particularly beneficial for creating light-colored polyurethane rigid foams, enhancing the product's appearance and application versatility.

Career Highlights

Otto Immel is affiliated with Bayer Aktiengesellschaft, a leading global company dedicated to innovation in various sectors, including health and agriculture. Throughout his career, he has focused on advancing chemical processes that facilitate the production of high-quality materials, particularly in the realm of polyurethane manufacturing.

Collaborations

Throughout his journey, Immel has collaborated with notable colleagues, including Hans-Helmut Schwarz and Gerhard Darsow. These partnerships have fostered a creative and productive environment, resulting in increased advancements in their respective fields. Such collaborations have been pivotal in driving forward the development of innovative chemical processes at Bayer.

Conclusion

Otto Immel's contributions to the field of chemical engineering through his innovative processes for isocyanate production highlight his status as a leading inventor. With his extensive patent portfolio and collaborations, he continues to pave the way for advancements in polyurethane technology, reflecting the ongoing importance of innovation in the chemical industry.

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