Patent · US Expired

Liquid enzyme concentrates containing alpha-amylase

US4519934A · kind A · utility

21Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1983
Grant dateMay 28, 1985
Priority date
Expiry dateApr 19, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/38618
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A liquid enzyme concentrate containing the alpha-amylase from Bacillus licheniformis and optionally a proteinase dissolved in 40-95% by weight propylene glycol 1,2 balance water, at pH 5-9, the enzyme activity being 10-1000 KNU/g of concentrate. Proteinase may be present in activity of 0.5-6.5 Anson units/g of concentrate. Subtilisin Carlsberg is a preferred proteinase, and in such instance, appropriate stabilizers for the proteinase are included in the concentrate.

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