Patent · US Expired

Soaking method

US4314801A · kind A · utility

2Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 1980
Grant dateFeb 9, 1982
Priority date
Expiry dateOct 27, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC14C1/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

What is disclosed is a method for soaking dried or salted fur pelts which comprises soaking said pelts in an aqueous bath containing at least one compound selected from the group consisting of compounds of the formula ##STR1## and acid addition salts of such compounds, wherein R taken alone is --H, --NH.sub.2, --CH.sub.3, or --NHCN, X taken alone is .dbd.O, .dbd.S, or .dbd.NH, and R and X taken together form a five- or six-membered heterocyclic ring having conjugated double bonds therein and containing only nitrogen as a hetero atom.

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