Gesellschaft fur Biotechnologische Forschung mbH (GBF)
94Patents
1Active
94Granted
39Portfolio score
Filing activity: Dec 6, 1976 → Sep 9, 2010 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4689405A | Process for the simultaneous synthesis of several oligonucleotides on a solid phase | Chemistry; Metallurgy | 218 | Expired |
| US6060273A | Multicistronic expression units and their use | Chemistry; Metallurgy | 60 | Expired |
| US6288237A | Epothilons C and D, preparation and compositions | Chemistry; Metallurgy | 44 | Expired |
| US6849255B2 | Methods and compositions for enhancing cartilage repair | Chemistry; Metallurgy | 44 | Expired |
| US5453372A | Stabilized enzymes and process for preparing them | Chemistry; Metallurgy | 33 | Expired |
| US6992235B2 | Method for marker-free repetitive DNA expression cassette exchange in the genome of cells or parts of cells | Chemistry; Metallurgy | 32 | Expired |
| US4343735A | Process for the purification of interferon | Chemistry; Metallurgy | 29 | Expired |
| US5352603A | Highly alkaline proteases | Chemistry; Metallurgy | 28 | Expired |
| US4304863A | Process for the production of hybrid bacteria | Chemistry; Metallurgy | 28 | Expired |
| US5114839A | Process for DNA sequencing using oligonucleotide bank | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6359140B1 | Epothilones with modified side chain | Chemistry; Metallurgy | 27 | Expired |
| US5480790A | Water-soluble proteins modified by saccharides | Chemistry; Metallurgy | 25 | Expired |
| US4432921A | Process for producing a binder for wood materials | Chemistry; Metallurgy | 25 | Expired |
| US5154931A | Growth-stimulating material derived from porcine bone therefor and a manufacturing process | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5457047A | DNA Sequences coding for PTH variants, PTH variants, expression vector, bacterial host, use and therapeutic composition | Chemistry; Metallurgy | 22 | Expired |
| US5254467A | Fermentive production of 1,3-propanediol | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6613912B2 | Epothilons C and D, preparation and compositions | Chemistry; Metallurgy | 21 | Expired |
| US4443594A | Process for the production of adenine ring system containing co-enzymes bound to macromolecules | Chemistry; Metallurgy | 20 | Expired |
| US5455329A | DNA sequences coding for PTH variants, PTH variants, expression vector, bacterial host, use and therapeutic composition | Chemistry; Metallurgy | 20 | Expired |
| US5457092A | Methods of promoting bone growth in mammals comprising administration of modified parathyroid hormone | Human Necessities | 18 | Expired |
| US6624310B1 | Epothilone minor constituents | Chemistry; Metallurgy | 18 | Expired |
| US4284509A | Process for removing oils or petroleum from the surface of the sea | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5223224A | Sensor arrangement for flow injection analysis | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4286660A | Process and installation for the flooding of petroleum deposits and oil shale | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5087425A | Device for flow-injection analysis | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.