Patent · US Expired

Enzyme preparation containing protease

US6451586B1 · kind B1 · utility

1Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 6, 1995
Grant dateSep 17, 2002
Priority date
Expiry dateFeb 6, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC14C1/08
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Powdered or granulated enzyme preparations, free of surface active agents and containing a protease as the active enzyme, wherein the protease is present as a tannin complex, with the proviso that the enzyme preparation consists of at least 50 percent by weight and up to 99.9 percent by weight of one or more conventional diluent salts. Methods for soaking and bating skins and hides using such preparations.

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