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. 31, 2005
Filed:
Jun. 16, 2000
Applicants:
Martin Reif, Ludwigshafen, DE;
Peter Van Den Abeel, Brasschaat, BE;
Filip Nevejans, Beveren-Waas, BE;
Hans Volkmar Schwarz, Waterloo, BE;
Ulrich Penzel, Tettau, DE;
Volker Scharr, Senftenberg, DE;
Inventors:
Martin Reif, Ludwigshafen, DE;
Peter van den Abeel, Brasschaat, BE;
Filip Nevejans, Beveren-Waas, BE;
Hans Volkmar Schwarz, Waterloo, BE;
Ulrich Penzel, Tettau, DE;
Volker Scharr, Senftenberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C263/00 ;
U.S. Cl.
CPC ...
Abstract
A process is provided for preparing light-colored isocyanates which can be used for preparing urethane compounds, in particular polyurethanes, for example polyurethane foams.