Cyclosporin derivatives, their production and pharmaceutical compositions containing them
Patent 4288431 Issued on September 8, 1981. Estimated Expiration Date: 
October 12, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 12, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesDihydrocyclosporin C Patent #: 4108985 InventorsAssigneeApplicationNo. 06/084100 filed on 10/12/1979US Classes:514/11, Monocyclic435/71.1, Using a micro-organism to make a protein or polypeptide530/321, Containing only normal peptide links in the ring, i.e., homodetic cyclic peptides930/190, Antibiotic930/21, Containing D-amino acid930/270Cyclic peptide or cyclic protein (See note 8)ExaminersPrimary: Phillips, Delbert R.Attorney, Agent or FirmInternational ClassesC07K 7/64 (20060101)C07K 7/00 (20060101) A61K 38/00 (20060101) Foreign Application Priority Data1978-10-18 CHAbstractCompounds of formula I ##STR1## selected from the group consisting of cyclosporin G, wherein A is ##STR2## dihydrocyclosporin G, wherein A is ##STR3## and isocyclosporin G, wherein A is ##STR4## are useful in treating inflammations and arthritis and as immuno-suppressant agents.Other References
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