Piperazinone and piperazine polypeptides
Patent 4251438 Issued on February 17, 1981. Estimated Expiration Date: 
June 14, 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.
June 14, 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.InventorAssigneeApplicationNo. 06/048330 filed on 06/14/1979US Classes:530/302, Endorphin and Enkephalin; related peptides514/809, ENKEPHALIN OR ENDORPHIN OR DERIVATIVES530/330, 4 to 5 amino acid residues in defined sequence540/492, Plural nitrogens in the hetero ring544/373, The five-membered hetero ring is one of the cyclos in a bicyclo ring system544/384, Chalcogen bonded directly to piperazine ring carbon548/228, Chalcogen bonded directly at 5-position of the oxazole ring930/21, Containing D-amino acid930/80Endorphin or Enkephalin; related peptidesExaminersPrimary: Phillips, Delbert R.Attorney, Agent or FirmInternational ClassesC07D 243/08 (20060101)C07D 241/00 (20060101) C07D 241/04 (20060101) C07D 241/08 (20060101) C07D 243/00 (20060101) C07K 14/70 (20060101) C07K 5/00 (20060101) C07K 5/107 (20060101) C07K 14/435 (20060101) AbstractPiperazinone polypeptides which are useful as analgesics and psychotherapeutic agents as well as processes to produce them are described.Other References
|
| ||||||||||||||
