Patent · US Expired

Method for removing coatings which create hazardous byproducts

US5674108A · kind A · utility

16Cited by
7References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 12, 1994
Grant dateOct 7, 1997
Priority date
Expiry dateOct 12, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/10
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method for removing a coating on a surface by applying a treatment layer to the coating to be removed. The treatment layer is made up of (i) a first material selected from the compounds of sodium and potassium silicates, sodium and potassium phosphate, calcium silicate, iron and aluminum sulfates and (ii) an alkali metal salt. An abrasive is injected against the coating to be removed so that the treatment layer and coat to be removed are removed and any hazardous material in the layer to be removed is contained.

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