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SanguiBioTech GmbH Patents and Patent Applications
The company has always taken great care to protect its innovations and developments by national and international patents.
In total, Sangui currently holds approximately 60 patents and patent applications belonging to 24 different groups. Most of these patents have been filed in Germany (DE), the USA (US), and as an international patent application with the European Patent Office (EP). Global patent applications are marked PCT. Four (4) patent applications are related to progress made in the final development stages of the external application of the artificial oxygen carriers. The following overview displays the most important ones grouped according to the projects and products they are related to.
1. Haemoglobin-Polymers
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US-P 5,985,332
EP-P 0857 733
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"Hemoglobins provided with ligands protecting the oxygen binding sites for use as artificial oxygen carriers for direct application in medicine and biolgy, and method for the preparation thereof"
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US-P 6,956,052
EP-O 1 299 457
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"Mammalion haemoglobin compatible with blood plasma, cross-linked and conjugated with polyalkylene oxides as artificial medical oxygen carriers, production and use thereof"
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EP-P 1 249 385
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"Method for the production of artificial oxygen carriers from covalently cross linking haemoglobin with improved functional properties of haemoglobin by cross-linking in the presence of chemically non-reacting effectors of the oxygen affinity of the haemoglobin"
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US-P 7,005,414
EP-P 1 294 386
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"Synthetic oxygen transport made from cross-linked modified human or porcine haemoglobin with improved properties, method for a preparation thereof from purified material and use thereof"
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US-O 2007/0049517
EP-P 1 682 167
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"Use of hypo-oncotic solutions of hyperpolymerised haemoglobins to be added to the human blood circulation in treatment of lung oedema"
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2. Wound Management
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EP-P 1 485 120
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"Use of one or more natural or modified oxygen carriers, devoid of plasma and cellular membrane constituents, for externally treating open, in particular chronic wounds"
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US-O 2007/0148215
EP-O 04 803 360
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"Therapeutically active wound dressings, production thereof, and use of the same"
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3. Skin treatment
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EP-P 1 513 492
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"Microemulsions having a binary phase differentiability and active substance differentiability, the production thereof and their use, particularly for the topical supply of oxygen" (Patents Pending)
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