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For the Inventor, By the Inventor

London, United Kingdom

Tioxide Group Services Limited


USPTO Granted Patents = 36

% Expired Patents = 2.8


Forward Citations = 358

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70 inventors (with patents filed for the assignee):

goldMedal Keith Robson (5 out of 7 patents)

silverMedal Graham P Dransfield (5 out of 10 patents)

bronzeMedal Leslie Ainsley Simpson (5 out of 5 patents)

4.  Terence A Egerton (3 out of 9 patents)

5.  John Robb (3 out of 3 patents)

6.  Anthony G Jones (2 out of 4 patents)

7.  Donald Urwin (2 out of 2 patents)

8.  Andrew T Sayer (2 out of 2 patents)

9.  Colin R Howarth (2 out of 2 patents)

10.  Craig Wallis (2 out of 2 patents)

11.  Frank L Riley (2 out of 3 patents)

12.  Anthony P Bromley (2 out of 2 patents)

13.  Stephen M Jones (2 out of 2 patents)

14.  Piergiorgio Nencini (2 out of 2 patents)

15.  Guy Decelles (2 out of 2 patents)


Core Competencies:
Titanium Dioxide
Pigmentary Materials
Ceramic Green Bodies
Metallic Oxides
Composite Pigmentary Material
Sulphuric Acid Solutions
Inorganic Solids
Oxidation Processes
Calcium Sulphate
Coated Inorganic Particles
Quenching Systems
Non-Oxide Ceramics

36 patents:

1. 6721055 - Particle dispersion determinator (2004-04-13),
2. 6548038 - Process for the concentration of dilute sulphuric acid solutions (2003-04-15),
3. 6511646 - Treatment of iron chloride from chlorination dust (2003-01-28),
4. 6245240 - Treatment of a solution containing iron salts (2001-06-12),
5. 6090354 - Process for the production of titanium oxide (2000-07-18),
6. 5952404 - Gloss emulsion paints (1999-09-14),
7. 5910213 - Treated titanium dioxide (1999-06-08),
8. 5869559 - Composite pigmentary material (1999-02-09),
9. 5837049 - Treated inorganic solids (1998-11-17),
10. 5785748 - Titanium dioxide pigments (1998-07-28),
11. 5672201 - Composite pigmentary material (1997-09-30),
12. 5643974 - Composite pigmentary material (1997-07-01),
13. 5630995 - Preparation of anatase titanium dioxide (1997-05-20),
14. 5623883 - Kiln for calcination of a powder (1997-04-29),
15. 5622628 - Titanium dioxide slurries concentration (1997-04-22),
Tioxide Group Services Limited is a prominent player in the chemical manufacturing sector, specializing in the production of titanium dioxide and related products. The company focuses on developing innovative solutions that enhance the performance and sustainability of various applications, including coatings, plastics, and paper. With a strong emphasis on research and technology, Tioxide is dedicated to advancing its product offerings while maintaining a commitment to environmental responsibility and operational excellence in the global market.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

36 Patents

#110 in London

#503 in United Kingdom

#18,697 in the World

London, GB
London, United Kingdom

Tioxide Group Services Limited

Forward Citations = 358

70 inventors:

goldMedal Keith Robson (5 out of 7 patents)

silverMedal Graham P Dransfield (5 out of 10 patents)

bronzeMedal Leslie Ainsley Simpson (5 out of 5 patents)

4.  Terence A Egerton (3 out of 9 patents)

5.  John Robb (3 out of 3 patents)

Please report any incorrect information to [email protected]
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