Patent · US Expired

Starch liquefaction with alpha amylase mixtures

US4933279A · kind A · utility

22Cited by

2References

7Claims

0Family size

Assignee

Novo Industri A/S · DK

Inventors

John O. Carroll · Norwalk, US
Timothy R. Swanson · Brookfield Center, US
Philip C. Trackman · Bethel, US

Key dates

Filing date	Jan 9, 1989
Grant date	Jun 12, 1990
Priority date	—
Expiry date	Jan 9, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S435/836
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A mixed enzyme product comprising a mixture of the alpha-amylase from Bacillus licheniformis and the alpha-amylase from B. stearothermophilus, said mixture containing from 10%-90%, preferably 25%-90%, more preferably 25%-75% by activity as NU/g DS of the Bacillus licheniformis enzyme and is usable with advantage for liquefaction of starch or starchy grains.

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