Patent · US Expired

Pyrrolidone derivatives and memory enhancement use thereof

US4824861A · kind A · utility

1Cited by
5References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1987
Grant dateApr 25, 1989
Priority date
Expiry dateDec 11, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K38/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to 4-hydroxy pyrrolidone derivatives which help restore learning and memory difficulties associated with ageing. A compound of the invention is 2-(4-hydroxy-2-oxo-1-pyrrolidineacetamido)acetamide.

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