Company Filing History:

18 out of 10,754

Basf Aktiengesellschaft

1 out of 832,680

Other

patents

Years Active: 1980-1998

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5728867 - Carbonyloxy-substituted azulenesquaric acid dyes, intermediates therefor (1998-03-17),

2. 5462810 - Magnetic recording medium (1995-10-31),

3. 5235573 - Repositioning laser beams in information storage media (1993-08-10),

4. 5221751 - Heterocyclic polymethine dyes with carbamate or amide groups (1993-06-22),

5. 5169975 - Binary azulenesquaric acid dyes, their intermediates and optical (1992-12-08),

6. 5124240 - Optical recording medium (1992-06-23),

7. 5122435 - Amido-containing azulene squaric acid dyes, intermediates therefor and (1992-06-16),

8. 5093492 - Methine dyes and optical recording medium containing same (1992-03-03),

9. 5087727 - A zulenes containing a urethane group (1992-02-11),

10. 5084592 - Azulenesquaric acid dyes, azulene intermediates therefor, and optical (1992-01-28),

11. 5064702 - Quinoxalinepentamethine dyes and optical recording medium containing same (1991-11-12),

12. 4990649 - Azulenesquaric acid dyes that contain urethane groups (1991-02-05),

13. 4966798 - Optical recording medium (1990-10-30),

14. 4830951 - Naphtholactamsquaric acid dyes and optical recording materials (1989-05-16),

15. 4751601 - Tape guide system for magnetic tapes, especially video tapes (1988-06-14),

Title: Klaus D Schomann: A Pioneer in Innovative Dyes and Magnetic Recording Technologies

Introduction

Klaus D Schomann, an accomplished inventor based in Ludwigshafen, Germany, has made significant contributions to the fields of chemical dyes and magnetic recording mediums. With a remarkable portfolio of 20 patents, Schomann has established himself as a leading figure in innovation and development in his areas of expertise.

Latest Patents

Among his latest patents is the invention of carbonyloxy-substituted azulenesquaric acid dyes. These compounds, represented by the formula ##STR1##, feature C1-C12 alkylene groups that may be substituted by phenyl groups, showcasing significant versatility and potential applications in various industries. Additionally, he has developed a magnetic recording medium that consists of a nonmagnetic substrate, a ferromagnetic metal layer, and a protective layer made from compounds including an unfluorinated or partially fluorinated alkyl radical along with a disulfide, hydroxyl, or keto group.

Career Highlights

Klaus D Schomann has worked with several notable companies during his career, including BASF Aktiengesellschaft, where he honed his skills and gained invaluable experience in the field of chemical and material innovations. His commitment to advancing technology has been crucial in his development of unique products that meet the needs of evolving markets.

Collaborations

Throughout his career, Schomann has collaborated with talented professionals, including Sibylle Brosius and Harald Kuppelmaier. These partnerships have not only fostered innovation but have also contributed to a collaborative atmosphere of research and development in the industry.

Conclusion

Klaus D Schomann's extensive work and unique inventions have made a lasting impact in the domains of dyes and magnetic recording technologies. His prolific patent portfolio exemplifies his innovative spirit and dedication to advancing scientific understanding and applications, marking him as a notable inventor in today's technological landscape.

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