Patent · US Expired

Production of hop extracts

US4104409A · kind A · utility

28Cited by

1References

40Claims

0Family size

Assignee

Studiengesellschaft Kohle gGmbH · DE

Inventors

Otto Vitzthum · Bremen, DE
Peter Hubert · Lemwerder, DE
Wolfgang Sirtl · Zürich, CH

Key dates

Filing date	Jan 6, 1976
Grant date	Aug 1, 1978
Priority date	—
Expiry date	Jan 6, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12C3/10
WIPO fieldFood chemistry
WIPO sectorChemistry

Abstract

Process for extraction of hops utilizing supercritical gases such as carbon dioxide.

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