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. 22, 1998
Filed:
Mar. 22, 1996
Applicant:
Inventors:
Norbert Guntherberg, Speyer, DE;
Jurgen Hofmann, Ludwigshafen, DE;
Elmar Mailahn, Worms, DE;
Hilmar Ohlig, Kaiserslautern, DE;
Sven Grabowski, Ludwigshafen, DE;
Bernhard Czauderna, Hirschberg, DE;
Klaus Bus, Kaiserslautern, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525 53 ; 525 64 ; 525 69 ; 525 70 ; 525 85 ; 4253812 ;
Abstract
Toughened thermoplastics are prepared by mixing a water-moist elastomer component A containing up to 60% by weight of residual water with a thermoplastic polymer B and further polymers C and additives D in an extruder with mechanical dewatering of the elastomer component A, by a process in which the components A, B, C and D are fed to a twin-screw extruder which has corotating screws and essentially comprises, in the transport direction,