John Hazen

This inventor holds 8 USPTO granted patents, plus 1 CIPO patent and 4 EPO patents. Top assignees: Lawter Inc., Akzo Nobel N.v., Hexion Specialty Chemicals, Inc.. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Hazen. Retrieved from https://idiyas.com/inventor/john-hazen-9ccuw7m2

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

USPTO Granted Patents = 8

% Patents Active = 75.0

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 5)

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 14(Granted Patents)

Location History:

Spaubeek, NL (2003 - 2015)
Maastricht, NL (2013 - 2015)

Company Filing History:

Hexion Specialty Chemicals, Inc.

patents

Years Active: 2003-2025

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12234385 - Surfactant, dispersion and adhesive composition (2025-02-25),

2. 12091500 - Tackifier for adhesive composition (2024-09-17),

3. 9023929 - Tackifier dispersion (2015-05-05),

4. 9012601 - Waterbased dimerized rosins and the process to make them (2015-04-21),

5. 8557954 - Waterbased dimerized rosins and the process to make them (2013-10-15),

6. 7262238 - Resin composition (2007-08-28),

7. 6989413 - Polyester tackifier and adhesive composition (2006-01-24),

8. 6653398 - Polyester tackifier and adhesive composition (2003-11-25),

Title: The Innovations of John Hazen: A Patent Portfolio of Advances in Adhesives

Introduction

John Hazen, an accomplished inventor based in Spaubeek, Netherlands, has made significant contributions to the field of adhesives and surfactants. With a total of 8 patents to his name, his innovative solutions have garnered attention for their practical applications in various industries.

Latest Patents

Among the latest patents developed by Hazen are two notable inventions:

1. **Surfactant, Dispersion, and Adhesive Composition** - This invention relates to a surfactant comprising a grafted rosin ester, which is a rosin ester grafted with a capped polyalkylene glycol. The capped polyalkylene glycol is enhanced by an alkyl ether, and the invention includes an aqueous dispersion consisting of an aqueous phase and resin particles dispersed within it, which incorporates the surfactant as detailed in the invention.

2. **Tackifier for Adhesive Composition** - This invention details the use of a polyester that includes monomer repeating units from a hydrogenated bisphenol, a diol, and a dicarboxylic acid or its anhydride. Specifically, the dicarboxylic acid or its anhydride includes aliphatic compounds, serving as a tackifier for adhesive compositions.

Career Highlights

John Hazen's career has spanned prominent companies, including Lawter Inc. and Akzo Nobel N.V. His work in these organizations has enabled him to innovate and bring forward his expertise in chemical compositions, particularly those related to adhesives.

Collaborations

Throughout his career, Hazen has collaborated with other talented professionals in the industry. Notable coworkers include Patrick Peter Mario Aarts and Ivo Kesselaer, who have likely contributed to the advancement of his innovative projects.

Conclusion

John Hazen's portfolio of patents showcases his dedication to innovation in the realm of surfactants and adhesives. His contributions not only reflect his expertise but also have implications for the materials and manufacturing industries. As he continues to explore new frontiers in technology, his work promises to influence enhanced products and applications for years to come.

Profile summary based on public USPTO records.