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:
Jul. 08, 2003
Filed:
May. 21, 2000
Applicant:
Inventors:
Thomas Bastelberger, Emmerting, DE;
Reinhard Haerzschel, Burghausen, DE;
Theo Mayer, Julbach, DE;
Peter Weitzel, Reischach, DE;
Peter Ball, Emmerting, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/16 ; C08K 3/20 ; C08L 9/08 ; C08L 9/10 ; C08L 9/04 ; C08L 1/102 ; C08L 1/302 ; C08L 1/902 ; C08L 2/102 ;
U.S. Cl.
CPC ...
C08F 2/16 ; C08K 3/20 ; C08L 9/08 ; C08L 9/10 ; C08L 9/04 ; C08L 1/102 ; C08L 1/302 ; C08L 1/902 ; C08L 2/102 ;
Abstract
A method is provided for producing protective colloid-stabilized vinyl aromatic-1.3-diene-copolymers in the form of their aqueous polymer dispersions or in the form of a powder which can be re-dispersed in water, by emulsion-polymerizing a mixture containing at least one vinyl aromatic and at least one 1,3-diene in the presence of a protective colloid and optionally, drying the resulting polymer dispersions. In the method part of the protective colloid is provided straightaway and part is metered.