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:
Jan. 23, 2001
Filed:
Sep. 21, 1998
Reinhold Schwalm, Wachenheim, DE;
Rainer Königer, Ludwigshafen, DE;
Wolfgang Paulus, Mainz, DE;
Wolfgang Reich, Maxdorf, DE;
Erich Beck, Ladenburg, DE;
Matthias Lokai, Enkenbach-Alsenborn, DE;
Klaus Menzel, Ludwigshafen, DE;
BASF Aktiengesellchaft, Ludwigshafen, DE;
Abstract
A process for preparing radiation-curable, urethane-functional prepolymers by reacting an isocyanate-functional component A with an OH-containing component B, wherein either component A embraces two different isocyanate compounds A1 or one isocyanate compound A1 and at least one isocyanate compound A2 or component B embraces at least two different compounds B1. Also, the prepolymers obtainable by the process and the radiation-curable formulations comprising them. Furthermore, the use of the radiation-curable formulations for coating substrates, a method of coating substrates, and the coated substrates themselves.