Patent · US Expired

Water dilutable resin, a process for their production and application thereof

US6316539A · kind A · utility

5Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2000
Grant dateNov 13, 2001
Priority date
Expiry dateJun 16, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D175/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Water-dilutable resins ABCD, obtainable by converting aldehyde or ketone resins A, multi-functional isocyanates B, aliphatic acids C, each with at least one acid group and one group that can react with isocyanates to form a urethane or urea structure, and also an aliphatic polyether D, with at least one hydroxyl group per molecule, whereby at least one of the educts C and D is used and if necessary, neutralization with aqueous ammonia or amines, provided a compound according to C is used.

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