Patent · US Expired

Frothable polyurethane composition and a cellular foam produced therefrom suitable for use in joints between wallboards

US4275172A · kind A · utility

83Cited by

5References

38Claims

0Family size

Assignee

UNION CARBIDE CORPORATION · US

Inventors

Bruce P. Barth · Bound Brook, US
Robert N. Johnson · Phoenixville, US
Walter Mayer · Ingolstadt, DE

Key dates

Filing date	Jan 28, 1980
Grant date	Jun 23, 1981
Priority date	—
Expiry date	Jan 28, 2000

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Described herein is a frothable thermosetting polyurethane-forming composition, a process for producing a curable froth from said composition, a process for applying the curable froth to a substrate and a cured cellular polyurethane produced from the curable froth.

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