Patent · US Expired

Method for removing paint solids from water-based paint systems using aluminum salts

US5250189A · kind A · utility

25Cited by
15References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 14, 1991
Grant dateOct 5, 1993
Priority date
Expiry dateMay 14, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/93
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Methods of treating circulating water containing oversprayed, water-borne paint, such as in a paint spray booth operation, with aluminum salts such as aluminum chloride or polyaluminum chloride and a flocculant, resulting in removal of sludge from the paint spray booth water.

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