Company Filing History:

30 out of 4,945

Hoffmann-la Roche Inc.

1 out of 832,843

Other

patents

Years Active: 1976-2001

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33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6288280 - Racemization of atropisomeric bis(phosphine oxide) compounds (2001-09-11),

2. 6037479 - Chiral diarsine compounds (2000-03-14),

3. 5072019 - Process for the manufacture of (1991-12-10),

4. 5045567 - Propanolamine derivatives having anti-diabetic effects (1991-09-03),

5. 5015779 - Process for the manufacture of (1991-05-14),

6. 4581172 - Substituted (1986-04-08),

7. 4455311 - Imidazoquinazoline derivatives which inhibit the aggregation of blood (1984-06-19),

8. 4442289 - 4-Oxothieno[3,2-d]pyrimidine acetic acid esters (1984-04-10),

9. 4390540 - Imidazoquinazolines having pharmaceutical activity (1983-06-28),

10. 4376121 - Antiallerigically-active imidazothienopyrimidine derivatives (1983-03-08),

11. 4208533 - Synthesis of cyclopentanol (1980-06-17),

12. 4204073 - Process for producing carotenoids (1980-05-20),

13. 4159386 - Synthesis of cyclopentanol (1979-06-26),

14. 4156090 - Polyene compounds (1979-05-22),

15. 4154963 - Prostaglandin intermediates (1979-05-15),

Title: Frank Kienzle: A Pioneer in Chiral Chemistry and Patents

Introduction

Frank Kienzle, hailing from Therwil, Switzerland, is a prominent inventor with an impressive portfolio consisting of 33 patents. His contributions to the field of chemistry, particularly in chiral compounds, have significant implications for various industries including pharmaceuticals and fine chemicals.

Latest Patents

Kienzle's latest patents showcase his expertise in developing advanced processes and compounds. One notable invention is the "Racemization of atropisomeric bis(phosphine oxide) compounds," which details a method for racemizing compounds of a specific formula. Additionally, he has introduced "Chiral diarsine compounds," which offer novel chiral diarsine compounds in various forms, significantly enriching the chemistry landscape with options of aryl and alkyl groups.

Career Highlights

Throughout his career, Kienzle has been associated with leading companies in the industry, including Hoffmann-La Roche Inc. and Givaudan Corporation. His work at these renowned organizations has paved the way for advancements in chemical engineering and synthesis, marking him as a critical figure in the global innovation landscape.

Collaborations

Collaboration has been a cornerstone of Kienzle's success. He has had the opportunity to work alongside esteemed colleagues such as Perry Rosen and Kaspar F. Burri, fostering a dynamic exchange of ideas and enhancing the potential for groundbreaking discoveries in the field of chemistry.

Conclusion

Frank Kienzle’s journey as an inventor exemplifies the fusion of knowledge, creativity, and collaboration. With his numerous patents, innovative processes, and leadership in significant companies, he continues to inspire future generations of inventors and researchers in the ever-evolving realm of scientific innovation.

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