Patent Yard Sign in
Expired Canadian patentCanada

4,6-di-o-(aminoglycosyl)-1,3-diaminocyclitols, process for their production and their use

CA 1092101 A · Owner: Bayer Aktiengesellschaft · Inventors: Voss, Eckart; Metzger, Karl G.; Petersen, Uwe

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

4,6-DI-O-(AMINOGLYCOSYL)-1,3-DIAMINOCYCLITOLS PROCESS FOR THEIR PRODUCTION AND THEIR USE Abstract of the Disclosure, The invention includes selectively acylated or sulphenylated 4,6-0-(aminoglycosyl)-1,3-diaminocyclitols (and methods for their preparation). Also included in the invention are 1-N-acylated-derivatives such as 1-N-, formyl-sisomicin, useful because of the anti-bacterial effects (and methods for their procurement). The invention includes, furthermore, methods for the procurement of said 1-N-acylated or sulphenylated derivatives compositions, containing them and methods for their use.

Read the whole patent

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 December 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 8, 1978
GrantedDecember 23, 1980
Term endedDecember 23, 1997
Patent numberCA 1092101 A
Classification (IPC)C07H15/22 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 8, 1978Patent grantedDec 23, 1980Term endedDec 23, 1997

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.