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:
Apr. 04, 2006
Filed:
Mar. 13, 1998
Stephan Hüffer, Ludwigshafen, DE;
Joachim Rösch, Ludwigshafen, DE;
Stefan Seelert, Frankenthal, DE;
Franz Langhauser, Ruppertsberg, DE;
Dieter Lilge, Limburgerhof, DE;
Roland Hingmann, Ladenburg, DE;
Günther Schweier, Friedelsheim, DE;
Stephan Hüffer, Ludwigshafen, DE;
Joachim Rösch, Ludwigshafen, DE;
Stefan Seelert, Frankenthal, DE;
Franz Langhauser, Ruppertsberg, DE;
Dieter Lilge, Limburgerhof, DE;
Roland Hingmann, Ladenburg, DE;
Günther Schweier, Friedelsheim, DE;
Abstract
Propylene homopolymers, wherein, in their separation according to tacticity by first dissolving the polymers in boiling xylene, then cooling the solution to 25° C. at a cooling rate of 10° C./h and then, with ascending temperature, separating the propylene homopolymers into fractions of different tacticity, either one or more of the conditions that