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:
Dec. 31, 1991
Filed:
Apr. 12, 1991
Applicant:
Inventors:
Isidoor De Grave, Wachenheim, DE;
Joachim Fischer, Dirmstein, DE;
Wolfram Koegel, Mannheim, DE;
Hermann Tatzel, Weinheim, DE;
Onno Graalmann, Dossenheim, DE;
Juergen Kerth, Carlsberg, DE;
Rainer A Werner, Bad Duerkheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521144 ; 521 56 ; 521 58 ; 521 60 ; 521143 ; 521144 ;
Abstract
Novel foams having a density of from 0.01 to 0.1 g/cm.sup.3, based on a copolymer comprising ethylene, propylene and a C.sub.4 - to C.sub.8 -.alpha.-olefin, and having a torsion modulus of from 100 to 800 N/mm.sup.2 have high tensile, compressive and flexural strengths and at the same time high elongation at break.