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:
Jun. 30, 1998
Filed:
Jun. 17, 1996
Applicant:
Inventors:
Jurgen Barwich, Neustadt, DE;
Oral Aydin, Mannheim, DE;
Ulrich Erhardt, Ladenburg, DE;
Walter Holtrup, Frankenthal, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
203 49 ; 159 161 ; 159 163 ; 159 471 ; 159901 ; 159D / ; 159D / ; 159D / ; 203 96 ; 203 94 ; 203 97 ; 203 98 ; 528500 ; 528501 ;
Abstract
Volatile components are eliminated from polyacrylate melts by distilling off the volatile components by a process in which the volatile components are distilled off under reduced pressure, entraining agents are added to the melts at above 100.degree. C. and the melts are simultaneously circulated.