Patent · US Expired

Crystals of cephem hydrochloride

US4978752A · kind A · utility

7Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1988
Grant dateDec 18, 1990
Priority date
Expiry dateNov 22, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D519/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Crystals of 7.beta.-[(Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminoacetamido]-3- (1-imidazo[1,2-b]pyridazinium)methyl-3-cephem-4-carboxylate hydrochloride or a solvate thereof, which are stable and improved in solubility in water, are useable for an excellent antibacterial agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.