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:
Feb. 28, 1984
Filed:
Sep. 10, 1982
Applicant:
Inventors:
Ludwig Hartman, Kaiserslautern, DE;
Ivo Ruzek, Kaiserslautern, DE;
Engelbert L/o/ cher, Kaiserslautern, DE;
Assignee:
Firma Carl Freudenberg, Weinheim an der Bergstrasse, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ;
U.S. Cl.
CPC ...
428198 ; 428288 ; 428289 ; 428290 ; 428294 ; 428296 ;
Abstract
The present invention provides for a soft, polypropylene spun-bonded fabric comprising continuous, i.e. endlessly spun, partially drawn polypropylene filaments which have a maximum tensile elongation of at least 200%.
Hartman, Ludwig. (1984). Spun-bonded fabric of partially drawn polypropylene with a low draping (U.S. Patent No. 4434204). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4434204
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile