John Stuart Cowman

This inventor holds 6 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 7 EPO patents. Top assignees: Archroma IP Gmbh, Clariant Finance (Bvi) Limited. Active years: 1999-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Stuart Cowman. Retrieved from https://idiyas.com/inventor/john-stuart-cowman

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

USPTO Granted Patents = 6 (Patent Applications = 2)

% Patents Active = 100.0

CIPO Patents = 2 (Patent Applications = 2)

EPO Patents = 7 (Patent Applications = 4)

Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 48(Granted Patents)

Company Filing History:

Clariant Finance (Bvi) Limited

patents

Years Active: 1999-2022

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11274397 - Copolymer, aqueous solution comprising the copolymer and method for reducing negative effects of natural pitch and adhesive contaminants in both pulping and papermaking operations (2022-03-15),

2. 10829895 - Use of an acrylate copolymer as retention aid in a method of making a substrate comprising cellulosic fibres (2020-11-10),

3. 9809929 - Polyester for the paper industry (2017-11-07),

4. 9057155 - Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper (2015-06-16),

5. 8784606 - Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper (2014-07-22),

6. 5873913 - Optical brightening agents (1999-02-23),

Title: John Stuart Cowman: Innovator in Copolymer Technology

Introduction

John Stuart Cowman is a notable inventor based in Bradford, GB, recognized for his contributions to the field of copolymer technology. With a total of six patents to his name, Cowman has made significant advancements that address challenges in pulping and papermaking operations.

Latest Patents

Among his latest patents is a copolymer that comprises at least one hydrophilic monomer, at least one hydrophobic monomer, and at least 10% by weight of methyl styrene. This invention is particularly suitable for use as a detackifying agent, aimed at reducing the negative effects caused by natural pitch and adhesive contaminants in both pulping and papermaking operations. Another notable patent involves the use of an acrylate copolymer as a retention aid in a method of making a substrate that includes cellulosic fibers, such as paper.

Career Highlights

Throughout his career, Cowman has worked with prominent companies in the industry, including Archroma IP GmbH and Clariant Finance (BVI) Limited. His work has focused on developing innovative solutions that enhance the efficiency and effectiveness of manufacturing processes in the paper industry.

Collaborations

Cowman has collaborated with esteemed colleagues such as Achim Kohler and Damien Julien Corpet, contributing to the advancement of technology in his field.

Conclusion

John Stuart Cowman's innovative work in copolymer technology has made a significant impact on the pulping and papermaking industries. His patents reflect a commitment to solving complex challenges and improving manufacturing processes.

Profile summary based on public USPTO records.