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:
Feb. 02, 2010
Filed:
Feb. 18, 2005
Applicants:
Theodoor M. Slaghek, Rotterdam, NL;
Mario T. R. Van Wandelen, Zeist, NL;
Willem C. Drost, Zeist, NL;
Dario M. R. Lo Cascio, Ouderkerk aan de Amstel, NL;
Remco W. G. Van Willige, Apeldoorn, NL;
Inventors:
Theodoor M. Slaghek, Rotterdam, NL;
Mario T. R. van Wandelen, Zeist, NL;
Willem C. Drost, Zeist, NL;
Dario M. R. Lo Cascio, Ouderkerk aan de Amstel, NL;
Remco W. G. van Willige, Apeldoorn, NL;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 17/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing a protein hydrolysate derived from keratin containing material with an oxidative bleaching agent at an acidic pH and mixing the keratin hydrolysate as an additive to the wet-end of a papermaking process. The process achieves a paper with a lower porosity and greater breaking length.