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:
May. 09, 2006
Filed:
Jun. 24, 2002
Stephan Schlitter, Limburgerhof, DE;
Christoph Sigwart, Schriesheim, DE;
Walter Dörflinger, Östringen, DE;
Michael Hesse, Worms, DE;
Rolf-hartmuth Fischer, Heidelberg, DE;
Stephan Schlitter, Limburgerhof, DE;
Christoph Sigwart, Schriesheim, DE;
Walter Dörflinger, Östringen, DE;
Michael Hesse, Worms, DE;
Rolf-Hartmuth Fischer, Heidelberg, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers are prepared by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which is in the form of shaped catalyst bodies or catalyst particles having a volume of the individual shape of the body or particle of at least 0.05 mm, preferably at least 0.2 mm, in particular 1 mm, and has at least one of the features a) and b):