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. 03, 1998
Filed:
Jul. 21, 1997
Applicant:
Inventors:
Stephan Jungling, Mannheim, DE;
Christof Mehler, Ludwigshafen, DE;
Helmut Schlaad, Bad Kreuznach, DE;
Bardo Schmitt, Mainz, DE;
Axel Mueller, Wiesbaden, DE;
Horst Weiss, Karlsruhe, DE;
Susanne Steiger, Romerberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; B01J / ;
U.S. Cl.
CPC ...
526177 ; 526187 ; 5263297 ; 502132 ;
Abstract
Polyacrylates based on alkyl acrylates or alkyl alkylacrylates or mixtures thereof as monomers are prepared in the presence of an initiator composition containing an alkali metal ester enolate and an organic aluminum compound or a mixture thereof, by a process in which an ester which differs from the monomers is present in the initiator composition, the carbon atom .alpha. to the ester group having no acidic proton.