Company Filing History:

12 out of 12,157

Bayer Aktiengesellschaft

where one patent can have more than one assignee

Years Active: 1993-2000

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6077339 - Pigment preparations useful for ink-jet printing (2000-06-20),

2. 6008350 - Process for the production of cyanine dyes (1999-12-28),

3. 5948600 - Method and material for the formation of a heat mode image (1999-09-07),

4. 5725607 - Method for reducing the toxicity of spent liquors and novel cationic dyes (1998-03-10),

5. 5684139 - Direct disazo dyestuffs (1997-11-04),

6. 5646257 - Azodyestuffs, their preparation and their use (1997-07-08),

7. 5637679 - Azo dyestuffs for dyeing and printing cellulose-containing fiber (1997-06-10),

8. 5607502 - Dyestuffs for printing inks (1997-03-04),

9. 5534052 - Polymeric dyestuffs and their use in inks for ink jet printing processes (1996-07-09),

10. 5519121 - Triazinyl-amino bridge-containing disazo dyestuffs (1996-05-21),

11. 5503666 - Dyestuffs and their use in inks for ink-jet printing processes (1996-04-02),

12. 5468848 - Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine series (1995-11-21),

13. 5328994 - Azinoneutromethines (1994-07-12),

14. 5208341 - Carbonylaminostyryls (1993-05-04),

Title: The Innovative Journey of Karin Hassenruck

Introduction

Karin Hassenruck is a prominent inventor based in Düsseldorf, Germany. She has made significant contributions to the field of ink-jet printing and dye production. With a total of 14 patents to her name, her work has had a lasting impact on the industry.

Latest Patents

Among her latest patents is a method for ink-jet printing that utilizes pigment preparations specifically designed for this technology. This invention enhances the quality and efficiency of ink-jet printing processes. Additionally, she has developed a process for the production of cyanine dyes, which are essential in various applications, including photography and printing.

Career Highlights

Karin has worked with notable companies such as Bayer Aktiengesellschaft and Agfa Gevaert NV. Her experience in these organizations has allowed her to refine her skills and contribute to groundbreaking innovations in her field.

Collaborations

Throughout her career, Karin has collaborated with esteemed colleagues, including Peter Wild and Horst Berneth. These partnerships have fostered a creative environment that has led to the development of her innovative patents.

Conclusion

Karin Hassenruck's contributions to the field of ink-jet printing and dye production exemplify her dedication to innovation. Her impressive portfolio of patents showcases her expertise and commitment to advancing technology.

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