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. 15, 2003
Filed:
Apr. 17, 2000
Werner Lange, Visselhövede, DE;
Bernd Schriewer, Walsrode, DE;
Friedrich-Karl Lampert, Walsrode, DE;
Wilhelm Oppermann, Bomlitz, DE;
Jörn-Bernd Pannek, Fallingbostel, DE;
René Kiesewetter, Fallingbostel, DE;
Wolff-Walsrode AG, Walsrode, DE;
Abstract
This invention relates to a process for producing a substantially fiber-free carboxymethyl cellulose which predominantly exhibits elastic properties, to the use thereof as a superabsorbent material, and to the use thereof as an adjuvant substance for achieving suitable rheological and water retention properties for the cosmetics, pharmaceutical and food sectors, and for industrial applications, e.g. as an additive for coating materials, for the sealing of cables and for use in tunnelling and in civil and underground engineering.