Patent · US Expired

High resilience foam

US4039490A · kind A · utility

12Cited by
6References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 29, 1975
Grant dateAug 2, 1977
Priority date
Expiry dateDec 29, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S521/904
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process for producing high resilience polyether urethane foam using tertiary alcohol modified siloxane surfactants.

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