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. 17, 2014
Filed:
Jun. 06, 2012
Applicants:
Rainer Blum, Mannheim, DE;
Gabriel Skupin, Speyer, DE;
Inventors:
Rainer Blum, Mannheim, DE;
Gabriel Skupin, Speyer, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
D21H 17/53 (2006.01); D21H 17/69 (2006.01); D21H 19/62 (2006.01); D21H 23/04 (2006.01); D21H 23/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to powder compositions whose particles comprise at least one inorganic pigment, wherein at least one biodegradable polyester polymer and/or polyalkylene carbonate polymer is arranged on the pigment surface, a process for producing these powder compositions and use thereof in the production of paper, card and board.