Patent · US Expired

Lavatory cleansing blocks

US5711920A · kind A · utility

5Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1995
Grant dateJan 27, 1998
Priority date
Expiry dateJun 6, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/72
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A solid lavatory cleaning block is formed of a composition comprising a mixture of (A) a surface active component comprising one or more anionic surface active agents; (B) a chlorine release agent component consisting of one or more chlorinated cyanuric acid derivatives; and (C) a source of barium, cadmium, calcium, copper, iron, magnesium, manganese or nickel ions. In order that the invention may be well understood the following examples are given by way of illustration only.

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