Patent · US Expired

Thermoplastic resin paste impregnated substrates

US4464432A · kind A · utility

31Cited by

9References

10Claims

0Family size

Assignee

Dynamit Nobel GmbH · DE

Inventors

Gerhard Dost · Troisdorf, DE
Walter Gerber · Hinwil, CH
Eberhard Jaeger · Erolzheim, DE
Erwin Moschter · Neunkirchen, DE
Richard Weiss · Rancho Santa Margarita, US

Key dates

Filing date	Aug 31, 1981
Grant date	Aug 7, 1984
Priority date	—
Expiry date	Aug 31, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/674
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for manufacturing porous textile substrates impregnated with thermoplastic polymeric pastes, especially fleeces or mats, with subsequent gelling out of polymeric paste, which comprises penetrating impregnating one side of a textile substrate with an evacuated paste comprised of a vinyl polymer and/or copolymers of vinyl chloride, while effecting complete displacement of air through the paste and compactly impregnating said substrate.

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