Company Filing History:

10 out of 12,157

Bayer Aktiengesellschaft

Years Active: 1985-1996

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5587465 - 5-chloro-4-fluoropyrimidinyl substituted diazopyridone (1996-12-24),

2. 5126481 - .beta.-phenoxyethylamines and their use for the preparation of dyestuffs (1992-06-30),

3. 5093484 - Polazo reactive dyestuffs (1992-03-03),

4. 5091515 - Process for the preparation of substituted (1992-02-25),

5. 5041629 - Beta-phenoxyethylamines and their use for the preparation of dyestuffs (1991-08-20),

6. 4665179 - Triphendioxazine dyestuffs (1987-05-12),

7. 4659827 - Process for producing 2,4,5,6-tetrachloropyrimidine by way of (1987-04-21),

8. 4638054 - Aminonaphthol bisazo reactive dyes (1987-01-20),

9. 4591634 - Trisazo/azoxy dyestuff mixtures (1986-05-27),

10. 4577015 - Triphendioxazine vinyl sulphone dyestuffs (1986-03-18),

11. 4559296 - Photographic recording material containing new azo dyes (1985-12-17),

Title: The Innovative Contributions of Karl J Herd

Introduction

Karl J Herd is a notable inventor based in Odenthal, Germany. He has made significant contributions to the field of chemistry, particularly in the development of dyestuffs. With a total of 11 patents to his name, Herd's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is the invention of 5-chloro-4-fluoropyrimidinyl substituted diazopyridone. This innovation focuses on dyestuffs of a specific formula, wherein D represents the radical of a diazo component. Another notable patent involves beta-phenoxyethylamines and their use for the preparation of dyestuffs. This preparation describes compounds of a particular structure, where the substituents have specific meanings as indicated in the description. These compounds, some of which are new, serve as intermediate products for dyestuffs.

Career Highlights

Throughout his career, Karl J Herd has worked with prominent companies such as Bayer Aktiengesellschaft and Agfa-Gevaert AG. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Herd has collaborated with several notable individuals in his field, including Wolfgang Harms and Horst Jager. These partnerships have further enhanced his work and led to the development of new ideas and products.

Conclusion

Karl J Herd's contributions to the field of chemistry and dyestuffs are commendable. His innovative patents and collaborations with industry leaders highlight his significant role as an inventor. His work continues to influence the industry and inspire future innovations.

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