Patent · US Expired

Water-dilutable coating

US6590029B1 · kind B1 · utility

1Cited by
13References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 2001
Grant dateJul 8, 2003
Priority date
Expiry dateOct 9, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31551
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a water-dilutable coating containing polyester, polyurethane, amino resins and other usual paint additives and auxiliary agents. The polyurethane that is used is a mixture consisting of several, preferably two different polyurethane compounds (A, B) which preferably have a molecular weight of 1000 to 30000, preferably have an acid value of 5-20 mg KOH/g and can preferably be produced by reacting prepolymers containing isocyanate groups.

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