For the Inventor, By the Inventor

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Norwalk, CT, United States of America

The Purdue Frederick Company

USPTO Granted Patents = 27

Trademarks = 1

Forward Citations = 363

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22 inventors (with patents filed for the assignee):

Bola V Shetty (7 out of 10 patents)

Ernest W Pick (6 out of 6 patents)

Abraham Fisher (5 out of 26 patents)

4. Sasson Cohen (5 out of 15 patents)

5. Peter Hofer (5 out of 34 patents)

6. Joseph M Denaro (4 out of 4 patents)

7. Henry R Goerke (4 out of 4 patents)

8. Arthur McFadden (4 out of 4 patents)

9. Ernest J Sasmor (2 out of 3 patents)

10. John E Airey (2 out of 2 patents)

11. Alfred Halpern (1 out of 8 patents)

12. Ernst Vesely (1 out of 2 patents)

13. Walter Thomas Swimm (1 out of 1 patent)

14. By John Kelly, Representative (1 out of 1 patent)

15. By Monica Kelly, Representative (1 out of 1 patent)

Core Competencies:

Analgesic Compounds

Anti-Inflammatory

Antimicrobial

Pyrrolidine Derivatives

Benzimidazoles

Pharmaceutical Composition

Germicidal Gels

Iodophor Powders

Mydriatic Compounds

Syringe Cannula

Dressing Kits

Viscous Material Dispensing

27 patents: Sort by Forward Citations

1. 4731457 - 1-substituted, 2,3-diphenyl-3-hydroxymethyl pyrrolidines, where the 2- (1988-03-15),

2. 4639529 - Analgesic and anti-inflammatory compounds (1987-01-27),

3. D284088 - Nomograph (1986-06-03),

4. 4476311 - Analgesic 4-carboxy-pyrrolidin-2-one compound (1984-10-09),

5. 4445626 - Metering device for dispensing selected amounts of viscous material (1984-05-01),

6. 4443616 - Production of 3-pyrrolin-2-ones (1984-04-17),

7. 4420487 - Diuretic and antihypertensive benzimidazoles (1983-12-13),

8. 4395552 - Antimicrobial bis-imidazolo-pyridine compound (1983-07-26),

9. 4392492 - Apparatus for storing and dispensing liquid douche (1983-07-12),

10. 4364929 - Germicidal colloidal lubricating gels and method of producing the same (1982-12-21),

11. 4309544 - Preparation of 6-oxa-1-azatricyclo(6.2.2.0.sup.2,7)dodecane-5-ones (1982-01-05),

12. 4281138 - Antimicrobial bis-benzimidazale compounds (1981-07-28),

13. 4226996 - Novel heterocyclic compounds and pharmaceutical composition containing (1980-10-07),

14. 4214059 - Method for the production of iodophor powders (1980-07-22),

15. 4183938 - 1,8-Ethano-5-oxo-octa- and -decahydroquinolines and mydriatic (1980-01-15),

Company Overview

The Purdue Frederick Company, based in Norwalk, CT, specializes in the development and manufacturing of pharmaceutical products. With a focus on innovative solutions, the company is dedicated to addressing unmet medical needs through research and development in various therapeutic areas. Its expertise spans across drug formulation, delivery systems, and quality assurance, positioning it as a key player in the pharmaceutical industry. The company is committed to enhancing patient outcomes through its advanced technologies and rigorous scientific approach.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

27 Patents

#23 in Norwalk, CT

#311 in Connecticut

#12,410 in US

#23,984 in the World

Norwalk, CT, United States of America

The Purdue Frederick Company

Forward Citations = 363

22 inventors:

Bola V Shetty (7 out of 10 patents)

Ernest W Pick (6 out of 6 patents)

Abraham Fisher (5 out of 26 patents)

4. Sasson Cohen (5 out of 15 patents)

5. Peter Hofer (5 out of 34 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Purdue Frederick Company. Retrieved from https://idiyas.com/company/purdue-frederick-company

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

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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