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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 is a leading biotechnology company specializing in the development and production of innovative biotherapeutics for various medical conditions. With a focus on cutting-edge research and state-of-the-art production facilities, Delta Biotechnology is committed to advancing the field of biotechnology and improving patient outcomes worldwide.

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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