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Fritz Graser

This inventor holds 16 USPTO granted patents. Top assignees: Basf Aktiengesellschaft, Badische Anilin- & Soda-Fabrik Aktiengesellschaft. Active years: 1976-1988.

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 276(Granted Patents)

Company Filing History:

15 out of 10,816

Basf Aktiengesellschaft

patents

1 out of 88

Badische Anilin- & Soda-Fabrik Aktiengesellschaft

patents

Years Active: 1976-1988

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4725690 - Perylene-3,4,9,10-tetracarboxylic acid diimide dye (1988-02-16),

2. 4667417 - Preparation of aerogels (1987-05-26),

3. 4517270 - Electrophotographic recording medium (1985-05-14),

4. 4451654 - Conditioning of finely divided crude organic pigments (1984-05-29),

5. 4450273 - NN' Para methoxy benzyl perylene-3,4,9,10-tetracarboxylic acid diimide (1984-05-22),

6. 4446324 - Perylenetetracarboxylic acid diimides and their use (1984-05-01),

7. 4429029 - Organic electrophotographic recording medium (1984-01-31),

8. 4419427 - Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid (1983-12-06),

9. 4379934 - Process for two-dimensionally concentrating light, and novel (1983-04-12),

10. 4368582 - Process for drying finely divided pigments (1983-01-18),

11. 4262851 - Process for converting crude and/or coarsely crystalline (1981-04-21),

12. 4240793 - Preparation of a high-hiding and deeply colored pigmentary form of (1980-12-23),

13. 4156757 - Electrically conductive perylene derivatives (1979-05-29),

14. 4145356 - Process of preparing pyranthrone pigments (1979-03-20),

15. 4029468 - Transfer dyes (1977-06-14),

Title: The Innovative Contributions of Fritz Graser

Introduction

Fritz Graser is a notable inventor based in Ludwigshafen, Germany. He has made significant contributions to the field of chemistry, particularly in the development of dyes and aerogels. With a total of 16 patents to his name, Graser's work has had a lasting impact on various industrial applications.

Latest Patents

Among his latest patents is the invention of a novel perylene-3,4,9,10-tetracarboxylic acid diimide dye. This innovative dye is particularly useful as a black dye or, when combined with white pigments, as a gray dye. Another significant patent involves the preparation of aerogels. This process allows for the drying of inorganic hydrogels derived from hydrolyzable compounds and organic hydrogels based on gelatin, albumin, or agar-agar. The resulting aerogels are transparent, possess low bulk density, and exhibit low thermal conductivity. These aerogels have versatile applications, including use as packing materials for liquid chromatography, catalyst carriers, substrates for enzymes, and adsorbents.

Career Highlights

Fritz Graser has worked with prominent companies such as BASF and Badische Anilin- & Soda-Fabrik Aktiengesellschaft. His experience in these organizations has contributed to his expertise and innovative capabilities in the field of chemistry.

Collaborations

Throughout his career, Graser has collaborated with notable individuals, including Gerhard Hoffmann and Reinhold J. Leyrer. These partnerships have further enriched his work and expanded the scope of his inventions.

Conclusion

Fritz Graser's contributions to the fields of dyes and aerogels demonstrate his innovative spirit and commitment to advancing technology. His patents continue to influence various industries, showcasing the importance of his work in modern science.

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