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:
Jul. 04, 2000
Filed:
Mar. 24, 1997
Applicant:
Inventors:
Ingemar Thebrin, Stenungsund, SE;
Svante Wang.hlen, Stenungsund, SE;
Erik Lindgren, Bohus, SE;
Kerstin Malmborg, Hjalteby, SE;
Assignee:
Eka Chemicals AB, Bohus, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
1621811 ; 1621819 ; 162184 ;
Abstract
The present method generally relates to a method for production of absorbent material having improved sorptive capacity, which material comprises cellulosic fibres, wherein said method comprises treating said fibres, in the presence of water, with a hydrophobic substance having a specific surface area of at least 50 m.sup.2 /g, wherein the treatment comprises contacting said substance and said fibres together when the fibres have a dry content of at least 20%.