For the Inventor, By the Inventor

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Ruddington, United Kingdom

Quadrant Healthcare (UK) Limited

USPTO Granted Patents = 13

Forward Citations = 535

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14 inventors (with patents filed for the assignee):

Richard A Johnson (10 out of 31 patents)

Andrew Derek Sutton (9 out of 15 patents)

David Heath (3 out of 7 patents)

4. Peter J Senior (3 out of 5 patents)

5. Nicholas David Osborne (2 out of 4 patents)

6. Camilo Colaco (1 out of 25 patents)

7. Kamaljit S Dhaliwal (1 out of 1 patent)

8. David T Welsh (1 out of 1 patent)

9. Alan G Tunnacliffe (1 out of 1 patent)

10. Susan Stewart Smith (1 out of 1 patent)

11. Stuart Robinson (1 out of 1 patent)

12. Cheryl Vanessa Rogerson (1 out of 1 patent)

13. Bruce J Roser (1 out of 41 patents)

14. Paulus Antonius Van Der Wouw (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 6623722 - Spray-drying microcapsules using an aqueous liquid containing a volatile liquid (2003-09-23),

2. 6569405 - Preparation of diagnostic agents (2003-05-27),

3. 6468782 - Methods of preserving prokaryotic cells and compositions obtained thereby (2002-10-22),

4. 6451349 - Spray-drying process for the preparation of microparticles (2002-09-17),

5. 6416741 - Preparation of further diagnostic agents (2002-07-09),

6. 6416739 - Microparticles and their therapeutic or diagnostic use (2002-07-09),

7. 6348186 - Preparation of further diagnostic agents (2002-02-19),

8. 6344182 - Preparation of diagnostic agents by spray drying (2002-02-05),

9. 6068600 - Use of hollow microcapsules (2000-05-30),

10. 6022525 - Preparation of diagnostic agents (2000-02-08),

11. 6015546 - Preparation of further diagnostic agents (2000-01-18),

12. 5993805 - Spray-dried microparticles and their use as therapeutic vehicles (1999-11-30),

13. 5955108 - Cross-linked microparticles and their use as therapeutic vehicles (1999-09-21),

Quadrant Healthcare (UK) Limited is a leading provider of healthcare products and services in the United Kingdom. With a strong focus on innovation and quality, Quadrant Healthcare offers a wide range of medical devices, pharmaceuticals, and healthcare solutions to improve patient outcomes. The company is committed to delivering exceptional products and services to healthcare professionals and patients nationwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

13 Patents

#1 in Ruddington

#1,349 in United Kingdom

#43,713 in the World

Ruddington, United Kingdom

Quadrant Healthcare (UK) Limited

Forward Citations = 535

14 inventors:

Richard A Johnson (10 out of 31 patents)

Andrew Derek Sutton (9 out of 15 patents)

David Heath (3 out of 7 patents)

4. Peter J Senior (3 out of 5 patents)

5. Nicholas David Osborne (2 out of 4 patents)

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