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. 25, 2002
Filed:
Nov. 07, 2000
Applicant:
Inventor:
Thomas Jaschinski, Mannheim, DE;
Assignee:
SCA Hygiene Products GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 1/120 ;
U.S. Cl.
CPC ...
D21H 1/120 ;
Abstract
The present invention relates to crosslinked cellulose-containing fibrous material, wherein hydroxy groups are oxidized at the C(6) of glucose units of the cellulose into aldehyde and/or carboxy groups crosslinked with a metal-containing crosslinking agent selected from transition metals of groups of IVa (preferably Zr), Va, VIa, VIIa and VIIIa, aluminum and zinc; and a paper or nonwoven (product), e.g. tissue (product), which comprises this fibrous material. These paper or nonwoven (products) are distinguished by high wet and dry strength.