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Nottingham, United Kingdom

Delta Biotechnology Limited

USPTO Granted Patents = 23

% Expired Patents = 8.7

Trademarks = 1

Forward Citations = 989

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43 inventors (with patents filed for the assignee):

Darrell Sleep (7 out of 24 patents)

Alan Victor Quirk (6 out of 8 patents)

John Rodney Woodrow (5 out of 10 patents)

4. Andrew Robert Goodey (5 out of 7 patents)

5. Richard A Johnson (5 out of 31 patents)

6. David James Ballance (4 out of 19 patents)

7. Edward Hinchliffe (4 out of 4 patents)

8. Mark J Wilson (3 out of 20 patents)

9. Andrew J Turner (3 out of 15 patents)

10. Stephen Berezenko (3 out of 7 patents)

11. Patricia Carol Wood (3 out of 5 patents)

12. David J Ballance (3 out of 3 patents)

13. Steven James Burton (2 out of 14 patents)

14. Steven M Ruben (2 out of 266 patents)

15. William A Haseltine (2 out of 31 patents)

23 patents: Sort by Forward Citations

1. 7799759 - Albumin fusion proteins (2010-09-21),

2. 7592010 - Albumin fusion proteins (2009-09-22),

3. 7482013 - Albumin fusion proteins (2009-01-27),

4. 7045318 - Recombinant fusion proteins to growth hormone and serum albumin (2006-05-16),

5. 6906183 - Process for the separation of glycosylated and nonglycosylated proteins (2005-06-14),

6. 6638740 - Process of high purity albumin production (2003-10-28),

7. 6379924 - Protein expression strains (2002-04-30),

8. 6290953 - Modulation of cellular proliferation with thymidine phosphorylase (2001-09-18),

9. 6150133 - Fermentation control (2000-11-21),

10. 6034221 - High purity albumin (2000-03-07),

11. 5965386 - Yeast strains and modified albumins (1999-10-12),

12. 5905143 - Purification of proteins (1999-05-18),

13. 5783423 - Yeast strains (1998-07-21),

14. 5766883 - Polypeptides (1998-06-16),

15. 5739007 - Hybrid GAL10/pgk yeast promoter (1998-04-14),

Delta Biotechnology Limited, based in Nottingham, specializes in the development and manufacturing of innovative biotechnological solutions. The company focuses on harnessing advanced biological processes to create products that address various industrial and environmental challenges. With a commitment to research and development, Delta Biotechnology is dedicated to enhancing sustainability and efficiency across multiple sectors, including agriculture and pharmaceuticals, by leveraging cutting-edge bioprocessing technologies.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

23 Patents

#5 in Nottingham

#770 in United Kingdom

#27,619 in the World

Nottingham, United Kingdom

Delta Biotechnology Limited

Forward Citations = 989

43 inventors:

Darrell Sleep (7 out of 24 patents)

Alan Victor Quirk (6 out of 8 patents)

John Rodney Woodrow (5 out of 10 patents)

4. Andrew Robert Goodey (5 out of 7 patents)

5. Richard A Johnson (5 out of 31 patents)

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