John H Sellstedt

This inventor holds 43 USPTO granted patents, primarily in Chiral Synthesis. Top assignees: American Home Products Corporation, Wyeth. Active years: 1976-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John H Sellstedt. Retrieved from https://idiyas.com/inventor/john-h-sellstedt

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 43

% Patents Active = 95.3

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 286(Granted Patents)

Location History:

King of Prussia, PA (US) (1976 - 1977)
Pottstown, PA (US) (1976 - 1987)
Lachine, CA (2001)
Eden Prairie, MN (US) (2009 - 2010)

Company Filing History:

41 out of 1,567

American Home Products Corporation

Years Active: 1976-2010

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Areas of Expertise:

Chirally Pure Amino Alcohols

Tetrazole Derivatives

Oxamic Acid Derivatives

Cephalosporins

Semi-Synthetic Penicillins

Regioselective Synthesis

Antisecretory Compounds

Intermediate Compounds

Carboxamide Derivatives

Pyridyl Compounds

Morpholine Derivatives

Hypersensitivity Treatments

43 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7737303 - Production of chirally pure amino alcohol intermediates, derivatives thereof, and uses thereof (2010-06-15),

2. 7598422 - Production of chirally pure amino alcohol intermediates, derivatives thereof, and uses thereof (2009-10-06),

3. 6277983 - Regioselective synthesis of rapamycin derivatives (2001-08-21),

4. 4663461 - Process for preparing 1-H-tetrazole-5-thiols (1987-05-05),

5. 4526978 - Process for preparing 1-H-tetrazole-5-thiols and intermediate compounds (1985-07-02),

6. 4316037 - N-Benzyl and N-substituted benzyl tetrazole-5-carboxylic acids and the (1982-02-16),

7. 4209528 - Antisecretory oxamic acid esters (1980-06-24),

8. 4191840 - Oxamic acid derivatives (1980-03-04),

9. 4160100 - Oxamic acid derivatives (1979-07-03),

10. 4154961 - Oxamic acid derivatives (1979-05-15),

11. 4137325 - Antisecretory oxamic acid esters (1979-01-30),

12. 4129735 - Process for preparing tetrazole-5-carboxamide derivatives (1978-12-12),

13. 4123432 - Tetrazole-5-carboxamide derivatives (1978-10-31),

14. 4112106 - N-(2-thiazolyl)-tetrazole-5-carboxamide derivatives for the prevention (1978-09-05),

15. 4112101 - N-(Pyridyl)-1H-(or 2H) tetrazole-5-carboxamide derivatives for the (1978-09-05),

Title: The Innovations of John H. Sellstedt: A Glimpse into His Patents and Career

Introduction

John H. Sellstedt, a prolific inventor based in Pottstown, PA, holds an impressive portfolio of 43 patents. His contributions to the field of chemistry, particularly in the area of chiral amino alcohols, have significantly advanced pharmaceutical applications and synthesis methods.

Latest Patents

One of Sellstedt's notable recent patents is the method for the production of chirally pure amino alcohol intermediates, along with their derivatives and uses. This innovative method details a selective procedure for preparing a chiral 2S-amino alcohol that is crucial in the development of amide compounds. The process begins by reacting a di-tert-butyl diazene-1,2-dicarboxylate with a specific oxazolidinone derivative, ultimately leading to the formation of various chemical intermediates. Through a series of reductions and acid deblocking steps, Sellstedt's method yields valuable amino alcohols, demonstrating a sophisticated approach to organic synthesis.

Career Highlights

John H. Sellstedt has notably contributed to well-known companies such as American Home Products Corporation and Wyeth. His work in these organizations has underscored his role as a leading scientist and innovator in the pharmaceutical industry. Over the years, Sellstedt's extensive patent portfolio reflects his dedication to improving chemical synthesis and drug development processes.

Collaborations

In addition to his individual achievements, Sellstedt has collaborated with esteemed colleagues like Charles J. Guinosso and Albert J. Begany. These partnerships have fostered an exchange of ideas and shared innovations, enhancing research outcomes and further driving advancements in their respective fields.

Conclusion

John H. Sellstedt's contributions through his 43 patents and collaborative efforts in the pharmaceutical industry exemplify the spirit of innovation. His latest developments in chiral amino alcohol intermediates signify important progress in organic chemistry, highlighting the pivotal role that inventors like him play in shaping the future of medicine and chemical engineering.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]