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:
Jan. 06, 1976
Filed:
Dec. 03, 1973
Applicant:
Inventors:
Klaus-Dieter Hammer, Mainz, DT;
Wolfgang Heinrich, Wiesbaden, DT;
Dieter Hoffmann, Bobingen, DT;
Erich Schuierer, Altotting, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260849 ; 260859 ; 260D / ; 428 91 ; 428421 ; 428425 ; 428904 ;
Abstract
An aqueous composition containing (A) an aminoplast precondensate, (B) a polymeric ethylene imine, the monomer of which is a reaction product of toluenediisocyanate a fluorinated alkanol and ethylene imine, which polymer is dispersed by means of a dispersant obtained by reacting said fluorinated alkanol, toluenediisocyanate and a polyethylene glycol, (C) a long-chain alkyl urea and (D) a cross-linking catalyst is useful for rendering a velvety suede-like polyurethane structure oil- and water-repellant.