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For the Inventor, By the Inventor

Norwich, CT, United States of America

Frederick J Ehrgott

This inventor holds 13 USPTO granted patents, plus 1 CIPO patent. Top assignees: Hoechst Roussel Pharmaceuticals, Pfizer Corporation, American Hoechst Corporation. Active years: 1980-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frederick J Ehrgott. Retrieved from https://idiyas.com/inventor/frederick-j-ehrgott

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 87(Granted Patents)


Location History:

  • Bernardsville, NJ (US) (1980 - 1984)
  • Norwich, CT (US) (1988 - 1991)
  • Killingworth, CT (US) (1994)
  • Groton, CT (US) (1999 - 2001)

Company Filing History:

goldMedal6 out of 539 
 
Hoechst Roussel Pharmaceuticals
 patents
silverMedal6 out of 4,489 
 
Pfizer Corporation
 patents
bronzeMedal1 out of 233 
 
American Hoechst Corporation
 patents

Years Active: 1980-2001

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13 patents (USPTO):Explore Patents
1. 6174883 - 3-substituted-2-oxindoles derivatives (2001-01-16),
2. 5919809 - 3-substituted-2-oxindole derivatives (1999-07-06),
3. 5300655 - 2-carboxy-thiophene derivatives (1994-04-05),
4. 5290802 - 3-substituted-2-oxindole derivatives (1994-03-01),
5. 5059693 - Process for making 3-aroyl-2-oxindole-1-carboxamides (1991-10-22),
6. 5047554 - 3-substituted-2-oxindole derivatives (1991-09-10),
7. 4840947 - Antiinflammatory and analgesic piperidin-4-yl-tetracyclic (1989-06-20),
8. 4751223 - Antiinflammatory and analgesic aminoalkyl tetracyclic benzodiazepines (1988-06-14),
9. 4424357 - Process for preparing 4-aryloxy-3-phenylpiperidines (1984-01-03),
10. 4382141 - Cis- and (1983-05-03),
11. 4312876 - Antidepressive and analgesic 4-aryloxy- and (1982-01-26),
12. 4302590 - Intermediates for the preparation of 4-aryloxy-3-phenylpiperidines (1981-11-24),
13. 4216218 - Antidepressant and analgesic 4-aryloxy- and (1980-08-05),

Title: The Innovations of Frederick J. Ehrgott

Introduction

Frederick J. Ehrgott is a notable inventor based in Norwich, Connecticut, with a remarkable portfolio of 13 patents. His work primarily focuses on pharmaceutical innovations, particularly in the field of chronic inflammatory diseases.

Latest Patents

One of his latest inventions involves novel 3-substituted-2-oxindole derivatives. This invention relates to compounds that serve as inhibitors of prostaglandin H₂ synthase, 5-lipoxygenase, and interleukin-1 biosynthesis. The compounds are useful as analgesic, anti-inflammatory, and anti-arthritic agents in treating chronic inflammatory diseases. Additionally, the invention includes pharmaceutical compositions comprising these derivatives, methods for inhibiting the biosynthesis of interleukin-1, and processes for preparing the 3-substituted-2-oxindole derivatives.

Career Highlights

Ehrgott has had a distinguished career, working with prominent companies such as Hoechst Roussel Pharmaceuticals and Pfizer Corporation. His contributions to the pharmaceutical industry have significantly advanced the development of treatments for various inflammatory conditions.

Collaborations

Throughout his career, Ehrgott has collaborated with notable colleagues, including Gary R. Schulte and Carl J. Goddard. These partnerships have fostered innovation and enhanced the impact of his work in the pharmaceutical field.

Conclusion

Frederick J. Ehrgott's contributions to the field of pharmaceuticals through his innovative patents and collaborations have made a significant impact on the treatment of chronic inflammatory diseases. His work continues to inspire advancements in medical science.

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]
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