Company Filing History:

25 out of 6,662

Hoechst Aktiengesellschaft

Aventis Research & Technologies Gmbh & Co Kg

patents

Years Active: 1993-2003

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38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6645904 - Aminophosphonium compounds (2003-11-11),

2. 6465643 - Aminophosphonium compounds (2002-10-15),

3. 6407029 - Mixtures comprising tetrakis(pyrrolidino/piperdino)phosphonium salts (2002-06-18),

4. 6362365 - Preparation of trifluorobenzoic acids (2002-03-26),

5. 6348603 - Process for the preparation of isochroman-3-ones (2002-02-19),

6. 6187952 - Two-step production of 3-chloro-4-fluoro-benzoyl chloride by chlorination (2001-02-13),

7. 6103659 - Catalyst comprising an amidophosphonium salt for halex reactions (2000-08-15),

8. 6075152 - Process for preparing isochroman-3-ones (2000-06-13),

9. 6001831 - Process for producing quinazoline derivatives (1999-12-14),

10. 5973189 - Monoesters of carboxymethylene anthranilic acids and process for (1999-10-26),

11. 5965775 - Process for the preparation of 3,5-difluoroaniline (1999-10-12),

12. 5945556 - Process for preparing N-carboxymethylene-4-chloro-anthranilic acid and (1999-08-31),

13. 5874608 - Process for the preparation of esters of aromatic carboxylic acid (1999-02-23),

14. 5849959 - Derivatives of 2, 3, 6-trifluorophenols and a process for their (1998-12-15),

15. 5773651 - Process for the preparation of fluorine-containing chemical compounds (1998-06-30),

Title: The Innovative Journey of Ralf Pfirmann

Introduction:

Ralf Pfirmann, a visionary inventor hailing from Griesheim, Germany, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents:

Ralf Pfirmann's latest patents showcase his commitment to pushing the boundaries of innovation in various industries, including automotive, electronics, and renewable energy.

Career Highlights:

Throughout his illustrious career, Ralf Pfirmann has been recognized for his inventive spirit and problem-solving skills. His patents have revolutionized the way we approach challenges in the modern world.

Collaborations:

Ralf Pfirmann has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His ability to work across disciplines has led to the development of cutting-edge technologies.

Conclusion:

In conclusion, Ralf Pfirmann's passion for innovation and his dedication to creating a better future through his inventions have solidified his place as a pioneering inventor in the global landscape of technology.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.