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:
Dec. 07, 2010
Filed:
Dec. 21, 2006
Rainer Dobrawa, Mannheim, DE;
Ralf Widmaier, Mannheim, DE;
Eberhard Schupp, Grünstadt, DE;
Klaus Schnell, Neustadt, DE;
Karl-hermann Strube, Speyer, DE;
Ulrich Filges, Neustadt, DE;
Jürgen Nieberle, Wachenheim, DE;
Josef Neutzner, Neustadt, DE;
Reinhold Dieing, Speyer, DE;
Andreas Gruber, Altrip, DE;
Wolfgang Bouquet, Deidesheim, DE;
Rainer Dobrawa, Mannheim, DE;
Ralf Widmaier, Mannheim, DE;
Eberhard Schupp, Grünstadt, DE;
Klaus Schnell, Neustadt, DE;
Karl-Hermann Strube, Speyer, DE;
Ulrich Filges, Neustadt, DE;
Jürgen Nieberle, Wachenheim, DE;
Josef Neutzner, Neustadt, DE;
Reinhold Dieing, Speyer, DE;
Andreas Gruber, Altrip, DE;
Wolfgang Bouquet, Deidesheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Method of producing copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator, where the polymerization is carried out under a gauge pressure such that evaporation of the components is avoided.