Patent · US Expired

Cephalosporin antibiotics

US4128715A · kind A · utility

4Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 27, 1977
Grant dateDec 5, 1978
Priority date
Expiry dateApr 27, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A special crystalline form of the L-lysine salt of the antibiotic cefuroxime is described. The salt has improved properties that permit it to be used in areas where cefuroxime itself and known derivatives of cefuroxime cannot be used.

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