Patent · US Expired

Perfume compositions and methods to mask amine malodors

US6979667B1 · kind B1 · utility

9Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2000
Grant dateDec 27, 2005
Priority date
Expiry dateMar 14, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/90
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are detergent compositions, particularly for manual dishwashing which, by incorporating a combination of anionic surfactants, solvents and certain selected perfume compositions that do not have the maladors associated with certain nitrogenous ingredients such as amines. Also disclosed are the perfume compositions themselves, characterised by 30% to 100% of an odor neutralizer capable of forming a Schiff base when reacted with an amine, said compositions having a pH of from 8.5 to 12.

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