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. 01, 2016
Filed:
Apr. 07, 2014
Basf SE, Ludwigshafen, DE;
Christian Schade, Ludwigshafen, DE;
Faissal-Ali El-Toufaili, Ludwigshafen, DE;
Aaron Flores-Figueroa, Mannheim, DE;
Gledison Fonseca, Mannheim, DE;
Michaela Heuβler, Haβloch, DE;
Christian Schwede, Weinheim, DE;
Helmut Witteler, Wachenheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a continuous process for the manufacture of highly-branched homo- or copolymers of C-Cethylenically unsaturated mono- or dicarboxylic acid as well as the anhydrides and salts thereof (monomer A) by means of free-radical polymerization of monomer A and optionally water-soluble, monethylenically unsaturated comonomers (monomer B) in an aqueous medium in the presence of at least one water-soluble initiator, wherein the polymerization takes place in at least one tubular reactor segment.