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, 2005
Filed:
Jul. 03, 2002
Applicants:
Davide Brizzolara, Herten, DE;
Herbert Vorholt, Haltern, DE;
Inventors:
Davide Brizzolara, Herten, DE;
Herbert Vorholt, Haltern, DE;
Assignee:
PolymerLatex GmbH & Co. KG, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08J 300 ; C08K 300 ; C08K 505 ; C08L 3100 ; C08L 5702 ;
U.S. Cl.
CPC ...
Abstract
Process for the preparation of protective colloid-stabilized, emulsifier-free, aqueous dispersions based on at least two monomers selected from vinylaromatics, 1,3-dienes and/or (meth)acrylates, in the presence of assistants and, if required, further comonomers in an amount of from 0.1% by weight to 20% by weight, based on the total amount of monomers, wherein at least 10% by weight of the total amount of water are added to the reaction vessel only after the monomers have been added to the reaction vessel and the conversion is at least 40%, based on 100% of the monomers.