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:
Nov. 08, 2005
Filed:
Jun. 18, 2002
Joachim Probst, Leverkusen, DE;
Martin Melchiors, Leichlingen, DE;
Wieland Hovestadt, Leichlingen, DE;
Michael Sonntag, Leverkusen, DE;
Burkhard Köhler, Leverkusen, DE;
Bernhard Jansen, Köln, DE;
Joachim Probst, Leverkusen, DE;
Martin Melchiors, Leichlingen, DE;
Wieland Hovestadt, Leichlingen, DE;
Michael Sonntag, Leverkusen, DE;
Burkhard Köhler, Leverkusen, DE;
Bernhard Jansen, Köln, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
The present invention relates to heat and storage stable vinyl polymer polyol secondary dispersions containing The invention also relates to a process for the preparation of the vinyl polymer polyol secondary dispersions by preparing vinyl polymer resin A) by polymerizing a mixture of ethylenically unsaturated monomers a) in the presence of an initiator b) in a water/solvent mixture and adding at least one amphiphilic polymer B), then at least partly neutralizing and dispersing the resulting product, optionally after the addition of a further amount of water.