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EP0076429A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method for the production of phenolic resin bonded non-wovens, especially moulded parts".

Assignee: Johann Borgers GmbH and Co KG
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Filing: 1982-09-22
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Granted: —
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Expires: 2002-09-22
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Abstract

Abstract 1. Method for the production of phenolic resin bonded nonwovens, especially as shaped parts, to which a powdered novolak, with hexamethylenetetramine added, is brought into the fibermaterial first, then the web is formed from this and the web is finally subjected to heat treatment, especially in a moulding press, characterized that before heat treatment a substance, splitting off ammonia by heat, is added to the surface of the web.

Inventors

  • 👤 Dieter Eisele

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 17:23
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/60; C; C08; C08J; C08J3/00; C08J3/24; C08J2361/00; C08J2361/04; C08J2361/06

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