Derivatives of the oligosaccharide antibiotic complex 13-384, their preparation and pharmaceutical compositions containing them
CA 1269369 C · Owner: Schering Corporation · Inventors: Girijavallabhan, Viyyoor M.; Ganguly, Ashit K.; Sarre, Olga
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein are novel derivatives of the oliqosaccharide antibiotic complex 13-384 the derivatives being of the general formula I, (I), wherein R is hydrogen or Z where Z is a moiety of the, general formula II (II), in which R1 is nitroso, N-hydroxylamino N-acyl-N-, hydroxyl-amino, N-acylamino N-alkylamino or N,N-, dialkylamino and their pharmaceutically acceptable salts. Also disclosed are processes for the preparation of the derivatives and pharmaceutical compositions containing them. The novel derivatives exhibit advantageous antibacterially properties. P/PASPO787
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.