Patent · US Expired

Nitrosamine inhibition

US5223644A · kind A · utility

14Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 1992
Grant dateJun 29, 1993
Priority date
Expiry dateFeb 3, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K15/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Bicarbonates and/or carbonates are used in greater than catalytic amounts to inhibit the formation of nitrosamines during the preparation, storage and/or use of amine oxides.

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