Patent · US Expired

Cyclic substituted ureas having a physiological cooling effect

US4137304A · kind A · utility

3Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1977
Grant dateJan 30, 1979
Priority date
Expiry dateJun 2, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/002
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Cyclic and acyclic amides, substituted ureas and sulphonamides are disclosed having the property of stimulating the cold receptors of the nervous system of the body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.

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