The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 1996
Filed:
May. 12, 1995
Rolf Henn, Ketsch, DE;
Klaus Hahn, Kirchheim, DE;
Andreas Deckers, Flomborn, DE;
Wolfgang Loth, Bad Durkheim, DE;
Uwe Blumenstein, Schornsheim, DE;
Hans-Dieter Schwaben, Freisbach, DE;
Erich Klement, Rimbach, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to expandable styrene polymers for elastic polystyrene foams, comprising a) from 50 to 90% by weight of polystyrene and/or a styrene copolymer containing at least 50% by weight of copolymerized styrene, b) from 5 to 30% by weight of at least one styrene-soluble elastomer, c) from 5 to 20% by weight of at least one block copolymer containing styrene as one component, d) from 1 to 15% by weight, based on the sum of a), b) and c), of a low-boiling blowing agent, and, if desired, e) conventional additives in effective amounts,