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Patent 1328279 Summary

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(12) Patent: (11) CA 1328279
(21) Application Number: 1328279
(54) English Title: CATECHOL CARBOXYLIC ACID DERIVATIVES
(54) French Title: DERIVES DE L'ACIDE CATECHOLCARBOXYLIQUE
Status: Expired and beyond the Period of Reversal
Bibliographic Data
(51) International Patent Classification (IPC):
  • C07C 49/84 (2006.01)
  • A61K 31/19 (2006.01)
  • C07C 45/46 (2006.01)
  • C07C 45/67 (2006.01)
  • C07C 45/71 (2006.01)
  • C07C 65/24 (2006.01)
  • C07C 65/40 (2006.01)
  • C07C 229/64 (2006.01)
(72) Inventors :
  • CARSON, MATTHEW (United States of America)
  • HAN, RU-JEN LEE (United States of America)
  • LEMAHIEU, RONALD ANDREW (United States of America)
(73) Owners :
  • F. HOFFMANN-LA ROCHE AG
(71) Applicants :
(74) Agent: GOWLING WLG (CANADA) LLP
(74) Associate agent:
(45) Issued: 1994-04-05
(22) Filed Date: 1988-09-28
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data:
Application No. Country/Territory Date
103,789 (United States of America) 1987-10-01
223,470 (United States of America) 1988-07-22

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