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:
Jan. 27, 2015
Filed:
Nov. 29, 2012
Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Gabriel Skupin, Speyer, DE;
Rainer Blum, Limburgerhof, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
D21H 13/00 (2006.01); D21H 13/24 (2006.01); D21H 23/00 (2006.01); D21H 23/04 (2006.01); D21H 13/14 (2006.01); D21H 15/02 (2006.01);
U.S. Cl.
CPC ...
D21H 23/00 (2013.01); D21H 13/14 (2013.01); D21H 13/24 (2013.01); D21H 15/02 (2013.01);
Abstract
The present invention relates to a process for producing filled paper, card and board comprising dewatering a paper stock with sheet formation and drying, wherein biodegradable polyester fibers and/or polyalkylene carbonate fibers are added to the paper stock.