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. 11, 2011
Filed:
Mar. 14, 2006
Applicants:
Klemens Mathauer, Heidelberg, DE;
Marianna Pierobon, Ludwigshafen, DE;
Tobias Petsch, Mörschied, DE;
Karl-otto Heilmann, Eisenberg, DE;
Michael Kerber, Weinheim, DE;
Robert Bayer, Sinsheim, DE;
Inventors:
Klemens Mathauer, Heidelberg, DE;
Marianna Pierobon, Ludwigshafen, DE;
Tobias Petsch, Mörschied, DE;
Karl-Otto Heilmann, Eisenberg, DE;
Michael Kerber, Weinheim, DE;
Robert Bayer, Sinsheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 25/02 (2006.01); C08L 33/00 (2006.01); C08L 35/00 (2006.01); C08L 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for removal of residual styrene monomers from polystyrene and from blends comprising water-insoluble, crosslinked polyvinylpyrrolidone, via treatment with water, which comprises carrying out the treatment on a particulate solid blend.