Patent · US Expired

Coffee extraction process

US3995067A · kind A · utility

15Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1975
Grant dateNov 30, 1976
Priority date
Expiry dateAug 6, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA23F5/262
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

An improvement to conventional processes for countercurrent extraction of roast ground coffee is disclosed. Therein, fresh roast ground coffee is contacted with previously produced aqueous coffee brew, and then the resultant admixture is added to the extraction zone.

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