Dean Thetford

This inventor holds 89 USPTO granted patents and 20 published patent applications, plus 5 CIPO patents and 49 EPO patents, primarily in Polyester Dispersants (CPC class C09D7-45). Top assignees: The Lubrizol Corporation, Lubrizol Advanced Materials, Inc., Zeneca Limited. Active years: 1993-2025.

USPTO Granted Patents = 89 (Patent Applications = 20)

% Patents Active = 85.4

CIPO Patents = 5 (Patent Applications = 5)

EPO Patents = 49 (Patent Applications = 45)

Average Co-Inventor Count = 2.0

ph-index = 11

Forward Citations = 369(Granted Patents)

Forward Citations (Not Self Cited) = 293(Dec 10, 2025)

Inventors with similar research interests:

Akihiko Matsuyama

Location History:

Failsworth, GB (1993)
Blackley, Manchester, GB (1999)
Blackey, GB (2004)
Blackley Greater Manchester, GB (2008)
Greater Manchester, GB (2010)
Blackley, GB (2003 - 2015)
Belper, GB (2017)
Manchester, GB (1995 - 2022)
Norden, GB (1996 - 2023)
Rochdale, GB (1997 - 2024)

Company Filing History:

30 out of 1,316

The Lubrizol Corporation

patents

29 out of 236

Lubrizol Advanced Materials, Inc.

Imperial Chemical Industries Limited

7. 6 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1993-2025

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Areas of Expertise:

Polyester Dispersants

Acrylic Dispersants

Ceramic Tile Coloration

Multi-Amines

Thermal Stability

Quaternary Amine

Ink Jet Inks

Aliphatic Ceramics

Polymeric Coupling Agents

Phase Separation

Additives

Graft Copolymers

89 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12338361 - Multi-amine polyester dispersant made via an anhydride intermediate (2025-06-24),

2. 12098318 - Multi-amine polyester dispersant made via an anhydride intermediate (2024-09-24),

3. 11981831 - Multi-amine dispersant made via an anhydride intermediate (2024-05-14),

4. 11661522 - Aliphatic ceramics dispersant (2023-05-30),

5. 11649309 - Acrylic dispersants with fused aromatic imide anchor groups (2023-05-16),

6. 11578211 - Polymeric dispersants containing one or two quaternary amine anchoring groups with improved chemical and thermal stability (2023-02-14),

7. 11326105 - Multi-amine polyester dispersant made via an anhydride intermediate (2022-05-10),

8. 11066565 - Aliphatic ceramics dispersant (2021-07-20),

9. 10745506 - Acrylic dispersants with fused aromatic imide anchor groups (2020-08-18),

10. 10675889 - Dispersants for colouration of ceramic tiles using ink jet inks (2020-06-09),

11. 10584256 - Polyester dispersants for colouration of ceramic tiles using ink jet inks and ink jet ink printers (2020-03-10),

12. 10442884 - Dispersants with multiple aromatic imide anchor groups (2019-10-15),

13. 10358560 - Modified polyacrylate dispersants for the decorative ceramic market (2019-07-23),

14. 10308836 - Dispersants with multiple aromatic imide anchor groups (2019-06-04),

15. 10246584 - Additive to prevent phase separation of low profile additive in unsaturated thermoset polyester compositions (2019-04-02),

Title: Dean Thetford: Pioneering Innovator in Ceramic and Glass Technology

Introduction:

Dean Thetford, a visionary inventor hailing from Norden, GB, has established himself as a trailblazer in the realm of ceramic and glass technology. His relentless pursuit of excellence and passion for innovation have garnered him a stellar reputation as a driving force in the industry.

Latest Patents:

With an impressive portfolio of 86 patents to his name, Dean's latest inventions showcase his ingenuity and expertise. One notable patent involves the development of an aliphatic ceramics dispersant, revolutionizing the process of dispersing inorganic mixed metal oxide pigment compositions in a hydrocarbon medium. Another groundbreaking patent introduces acrylic dispersants with fused aromatic imide anchor groups, enhancing the dispersion process with innovative chemical bonding techniques.

Career Highlights:

Throughout his illustrious career, Dean Thetford has made significant contributions to leading companies such as The Lubrizol Corporation and Lubrizol Advanced Materials, Inc. His expertise and innovative spirit have played a pivotal role in shaping the technological landscape of ceramic and glass industries.

Collaborations:

Collaborating with esteemed colleagues such as Patrick J Sunderland and John D Schofield, Dean has fostered a culture of innovation and collaboration. Together, they have pushed the boundaries of traditional practices and paved the way for cutting-edge advancements in ceramic and glass technology.

Conclusion:

Dean Thetford's unwavering dedication to innovation and his remarkable achievements in the field of ceramic and glass technology underscore his status as a visionary inventor. His pioneering work continues to inspire future generations of inventors and promises to shape the future of technology in profound ways.