Patent · US Expired

Dental and oral hygiene preparations

US4196189A · kind A · utility

17Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1979
Grant dateApr 1, 1980
Priority date
Expiry dateApr 9, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/4825
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed is a dental hygiene preparation in the form of a filled capsule or a filled sweet comprising an outer shell containing a hydrophilic dental and/or oral hygiene substance and an inner core of a lipophilic substance.

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