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:
Aug. 01, 1978
Filed:
Apr. 06, 1976
Applicant:
Inventors:
Hans Georg Keppler, Weinheim, DE;
Bruno Sander, Ludwigshafen, DE;
Rolf Moeller, Ludwigshafen, DE;
Eckhard Bonitz, Frankenthal, DE;
Werner Simmler, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
264-9 ; 1621 / ; 210 45 ; 210 54 ; 260-23 ; 264 37 ; 264140 ;
Abstract
A process for the manufacture of fibrids by dissolving, in a solvent, macromolecular waste materials from the bead polymerization of styrenes, and introducing the solution into a precipitation medium under the action of shearing forces to form fibrids.