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. 15, 2022
Filed:
Jan. 23, 2019
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Miran Yu, Ludwigshafen, DE;
Ortmund Lang, Ludwigshafen, DE;
Dieter Rodewald, Ludwigshafen, DE;
Stephan Schlitter, Limburgerhof, DE;
Guenter Scherr, Ludwigshafen, DE;
Felix Alexander Westerhaus, Hanau, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/06 (2006.01); C08G 2/28 (2006.01); C08G 8/12 (2006.01);
U.S. Cl.
CPC ...
C08G 2/28 (2013.01); B01D 1/065 (2013.01); C08G 8/12 (2013.01);
Abstract
Process for the removal of volatile compounds from a tackifier comprising a resin with repeating units of formula I wherein Ris a linear or branched alkylen group with 1 to 10 carbon atoms and Ris a linear or branched, saturated or unsaturated N aliphatic hydrocarbon group with up to 20 carbon atoms, and optionally a plasticizer, wherein the tackifier is passed through at least one evaporator as film and the volatile compounds are removed from the film.