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. 27, 2000
Filed:
Apr. 15, 1998
Franz Dirschl, Augsburg, DE;
Franz Mosch, Diedorf, DE;
Theodor Angele, Wertingen, DE;
Wilhelm Artner, Motzenhofen, DE;
Edeltraud Schidek, Augsburg, DE;
Erich Rossler, Stadtbergen-Leitershofen, DE;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
Products which are produced by reaction of diisocyanates with di- or polyhydric alcohols and/or with one or more mono- and/or diethers of such alcohols and subsequent reaction with organic amines containing two or more alcoholic hydroxyl groups and subsequent blocking of free isocyanate groups are suitable for the finishing of fiber materials, in particular in the form of aqueous dispersions as extenders for use in combination with polymers containing perfluoroalkyl groups for the oil-, water- and soil-repellent finishing of fiber materials.