Naperville, IL, United States of America

John L Melquist

This inventor holds 21 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: Amoco Corporation, Standard Oil Company (Indiana). Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John L Melquist. Retrieved from https://idiyas.com/inventor/john-l-melquist

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 215(Granted Patents)

Company Filing History:

Standard Oil Company (Indiana)

patents

Years Active: 1978-1996

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Areas of Expertise:

Polyester Fabrication

Polyether Sulfones

Polyimides

Polyamide Polymers

Alcohol Conversion

Oxidation Catalyst

Isomerization

Polyalpha-Olefins

Vapor Phase Polymerization

Titanium Catalyst

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5556926 - Concentrate for use in the melt fabrication of polyester (1996-09-17),

2. 5536793 - Concentrate for use in the melt fabrication of polyester (1996-07-16),

3. 5446111 - Increased throughput in melt fabrication and foaming of polyester (1995-08-29),

4. 5340846 - Increased throughput in melt fabrication and foaming of polyester (1994-08-23),

5. 5288764 - Increased throughput in foaming and other melt fabrication of polyester (1994-02-22),

6. 5206311 - Blends of polyether sulfones and copolymides (1993-04-27),

7. 5191035 - Blends of polyether sulfones and polyimides (1993-03-02),

8. 5189115 - Polyetherimide copolymers (1993-02-23),

9. 4992527 - Polyamide, polyimide, and polyamide-imide polymers of (1991-02-12),

10. 4973660 - Polyamide of diamino-t-butyltoluene (1990-11-27),

11. 4973659 - Polyamide from diamino-t-butylbenzene (1990-11-27),

12. 4968780 - Polyamide, polyimide, and polyamide-imide polymers of (1990-11-06),

13. 4963648 - Polyamide, polyimide, and polyamide-imide polymers of (1990-10-16),

14. 4929763 - Alcohol conversion (1990-05-29),

15. 4767738 - Lead aluminum borate (1988-08-30),

Title: The Innovative Mind of John L Melquist: A Pioneer in Polyester Fabrication

Introduction:

John L Melquist, a visionary inventor hailing from Naperville, Illinois, has left an indelible mark in the field of polyester fabrication with his groundbreaking patents and innovative processes.

Latest Patents:

Melquist's latest patents showcase his expertise in the niche domain of polyester production. One such patent is for a "Concentrate for use in the melt fabrication of polyester," which revolutionizes the way polyesters are processed. These concentrates, enriched with a unique branching agent, enhance the efficiency of polyester melt processing while minimizing the formation of unwanted crosslinked compounds.

Career Highlights:

With an impressive portfolio of 21 patents to his name, John L Melquist has been a driving force in the industry. Having worked at esteemed companies like Amoco Corporation and Standard Oil Company (Indiana), he has garnered invaluable experience and expertise in the realm of chemical engineering and material science.

Collaborations:

Throughout his illustrious career, Melquist has collaborated with esteemed professionals such as George E Rotter and Weilong L Chiang. These collaborations have not only enriched his work but have also led to innovative breakthroughs in the field of polyester fabrication.

Conclusion:

In conclusion, John L Melquist stands as a shining example of innovation and ingenuity in the realm of polyester fabrication. His patents and contributions have significantly impacted the industry, paving the way for future advancements in material processing technologies.

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]