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Boulder, CO, United States of America

Napro Biotherapeutics, Inc.

USPTO Granted Patents = 33

Forward Citations = 380

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23 inventors (with patents filed for the assignee):

James D McChesney (12 out of 56 patents)

Nicholas J Sisti (12 out of 14 patents)

Madhavi C Chander (11 out of 13 patents)

4. David Reginald Carver (10 out of 47 patents)

5. Timothy R Prout (10 out of 10 patents)

6. Jan J Zygmunt (9 out of 30 patents)

7. Charles S Swindell (8 out of 27 patents)

8. Hernita A Ewald (8 out of 8 patents)

9. Robyn Elliott (6 out of 6 patents)

10. Paul Handreck (6 out of 6 patents)

11. Herbert R Brinkman (5 out of 5 patents)

12. Xian Liang (4 out of 7 patents)

13. Donia L Henderson (3 out of 3 patents)

14. Christopher T Workman (2 out of 7 patents)

15. Charles L Hughes (2 out of 2 patents)

33 patents: Sort by Forward Citations

1. 6770670 - Injectable composition (2004-08-03),

2. 6653501 - Chiral resolution method for producing compounds useful in the synthesis of taxanes (2003-11-25),

3. 6509484 - Synthesis of taxol, taxol analogs and their intermediates with variable a-ring side chain structures and compositions thereof (2003-01-21),

4. 6495705 - Efficient process for the production of 10-DAB III by selective hydrazinolysis of various taxanes (2002-12-17),

5. 6479679 - Two-step conversion of protected taxane ester to paclitaxel (2002-11-12),

6. 6452025 - Three-step conversion of protected taxane ester to paclitaxel (2002-09-17),

7. 6448417 - Methods and useful intermediates for paclitaxel synthesis from C-7, C-10 di-cbz 10-deacetylbaccatin III (2002-09-10),

8. 6358996 - Stable isotope labeling of paclitaxel (2002-03-19),

9. 6306894 - Injectable composition (2001-10-23),

10. 6281368 - Simple and efficient hydrazinolysis of C-10 and C-13 ester functionalities of taxanes to obtain 10-DAB III (2001-08-28),

11. 6143902 - C-2 hydroxyl protected-N-acyl (2R,3S)-3-phenylisoserine N-imido (2000-11-07),

12. 6140359 - Injectable composition (2000-10-31),

13. 6136999 - C-2 hydroxyl protected-n-acyl (2R,3S)-3-phenylisoserine substituted (2000-10-24),

14. 6133462 - C-7 CBZ baccatin III and production method therefor (2000-10-17),

15. 6107497 - Intermediate for use in docetaxel synthesis and production method (2000-08-22),

Napro Biotherapeutics, Inc. is a leading biotechnology company focused on the research, development, and commercialization of innovative therapeutics. With a vision to transform patient care, Napro Biotherapeutics is dedicated to addressing some of the most challenging diseases through groundbreaking scientific discoveries and advanced technologies. By leveraging its expertise in biologics, gene therapy, and regenerative medicine, the company aims to improve the lives of millions of individuals worldwide. For more information, please visit the Napro Biotherapeutics website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

33 Patents

#38 in Boulder, CO

#195 in Colorado

#9,940 in US

#19,530 in the World

Boulder, CO, United States of America

Napro Biotherapeutics, Inc.

Forward Citations = 380

23 inventors:

James D McChesney (12 out of 56 patents)

Nicholas J Sisti (12 out of 14 patents)

Madhavi C Chander (11 out of 13 patents)

4. David Reginald Carver (10 out of 47 patents)

5. Timothy R Prout (10 out of 10 patents)

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