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. 25, 2002
Filed:
Dec. 18, 2000
Applicant:
Inventors:
Philippe Desbois, Maikammer, DE;
Christian Schade, Ludwigshafen, DE;
Hermann Gausepohl, Mutterstadt, DE;
Volker Warzelhan, Weisenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/46 ; C08F 4/52 ; C08F / ;
U.S. Cl.
CPC ...
C08F 4/46 ; C08F 4/52 ; C08F / ;
Abstract
An anionically polymerized impact-modified polystyrene has a yield stress of at least 24 MPa, measured at 23° C. to DIN 53455 and a hole impact strength of at least 11 kJ/m , measured at 23° C. to DIN 53753, measured in each case on a specimen produced to ISO 3167. A preparation process is described.