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:
Nov. 01, 1983
Filed:
Oct. 06, 1981
Applicant:
Inventors:
Ludwig Hartmann, Kaiserslautern, DE;
Ivo Ruzek, Kaiserslautern, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ;
U.S. Cl.
CPC ...
428288 ; 156 622 ; 156 624 ; 428289 ; 428290 ;
Abstract
A surface treated, non-woven fabric covering for absorbent cellulose materials, and a method for its manufacture, wherein polymer fibers are coated with an effective amount of a wetting agent which can be chemisorbed on cellulose; the addition of the wetting agent taking place before extrusion in the spinning process, or at any point of manufacture including after the non-woven fabric covering has been finished; the wetting agent being, in the preferred embodiment, a cationic surfactant.