Patent · US Expired

Composition dispensing system

US5166301A · kind A · utility

27Cited by
5References
11Claims
0Family size

Inventor

Key dates

Filing dateSep 22, 1989
Grant dateNov 24, 1992
Priority date
Expiry dateSep 22, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05C17/01
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A composition is provided adapted for a dual chamber (12, 14) applicator 10 having a common mixing zone 42, the composition comprising a low viscosity side A liquid mixture of a hydroxyl functional moiety component and at least two isocyanate components thixatropically reactive with amines, and a side B of at least two amines differentially reactive with said isocyanates in side A for a reaction first to a relatively low viscosity mass and thereafter to a relatively high viscosity mass as a function of time in passing through and then out of the applicator mixing zone 42.

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