Company Filing History:

10 out of 4,455

Pfizer Corporation

where one patent can have more than one assignee

Years Active: 2001-2007

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7297682 - Diphosphate salt of a 4″—substituted-9-deoxo-9 A—AZA—homoerythromycin derivatives and its pharmaceutical composition (2007-11-20),

2. 6861412 - Diphosphate salt of A 4″-substituted-9-deoxo-9A-AZA-9A-homoerythromycin derivative and its pharmaceutical composition (2005-03-01),

3. 6683106 - N-(indole-2-carbonyl)-b-alaninamide crystal forms (2004-01-27),

4. 6583274 - Crystalline forms of macrolide antibiotic (2003-06-24),

5. 6465437 - Diphosphate salt of a 4″-substituted-9-deoxo-9A-AZA-9A- homoerythromycin derivative and its pharmaceutical composition (2002-10-15),

6. 6436987 - Crystalline forms of (3S-trans)-2-[3,4-dihydro-4-hydroxy-3-(phenylmethyl)-2H-1-benzopyran-7-yl]-4-(trifluoromethyl)-benzoic acid (2002-08-20),

7. 6268489 - Azithromycin dihydrate (2001-07-31),

8. 6262067 - Polymorphs of a crystalline azo-bicyclo 2,2,2 OCT-3-yl amine dihydrochloride and their pharmaceutical compositions (2001-07-17),

9. 6239141 - Trovafloxacin oral suspensions (2001-05-29),

10. 6194585 - Process for preparing 5-lipoxygenase inhibitors (2001-02-27),

Title: Douglas J M Allen: Innovator in Pharmaceutical Chemistry

Introduction

Douglas J M Allen is a notable inventor based in New London, CT (US). He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 10 patents. His work primarily focuses on developing novel compounds with antibacterial and antiprotozoal properties.

Latest Patents

Among his latest patents is the invention of a diphosphate salt of a 4″-substituted-9-deoxo-9A-AZA-homoerythromycin derivative. This invention relates to a novel crystalline diphosphate salt that is useful as an antibacterial and antiprotozoal agent in mammals. The pharmaceutical compositions containing the free base of this diphosphate salt are designed to treat bacterial and protozoal infections effectively. The free base possesses potent activity against various infections when administered parenterally to mammals.

Career Highlights

Throughout his career, Douglas J M Allen has worked with prominent companies such as Pfizer Corporation and Pfizer Products Inc. His experience in these organizations has contributed to his expertise in pharmaceutical innovations.

Collaborations

Some of his notable coworkers include Robert J Rafka and Colman B Ragan. Their collaborative efforts have further advanced the research and development of effective pharmaceutical solutions.

Conclusion

Douglas J M Allen's contributions to pharmaceutical chemistry through his innovative patents and collaborations highlight his significant role in advancing medical treatments. His work continues to impact the field positively.

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