Patent EP0049768A1 successfully refreshed from Google Patents.
EP0049768A1
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EP
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Elastic duroplast foams
Assignee: BASF SE
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Filing: 1981-09-16
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Granted: —
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Expires: 2001-09-16
Abstract
Abstract 1. Resilient foams based on thermosetting phenolic resins or polyurethanes (excluding aminoplast foams according to German Laid-Open Applications DOS 2,915,457 and 2,950,289), whose foam structure consists essentially of a large number of interconnected, three-dimensionally branched struts, characterized by the following properties :- (a) The mean length-to-thickness ratio of the struts is higher than 10:1 ; (b) the percentage proportion M of the cell membranes which are left intact in the foam structure between the struts is less than 40% ; and (c) the percentage proportion P of the pores is less than 15% of the volume of the struts.
Inventors
- 👤 Harald Dr. Mahnke
- 👤 Frank Peter Dr. Woerner
- 👤 Heinz Dr. Weber
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 15:24
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08J9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB1001465A
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GB1088626A
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