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. 09, 2026
Filed:
May. 03, 2022
Pfnonwovens Llc, Hazleton, PA (US);
Pfnonwovens Holding S.r.o, Prague, CZ;
Karthik Ramaratnam, Anderson, SC (US);
Peter Zajaczkowski, Greenville, SC (US);
John C. Parsons, Annville, PA (US);
Pavlina Kasparkova, Znojmo, CZ;
PFNONWOVENS LLC, Hazleton, PA (US);
PFNONWOVENS HOLDING S.R.O, Praque, CZ;
Abstract
A method of forming a hydro-patterned nonwoven web including the steps of forming a nonwoven batt comprising continuous spunmelt fibers, calender bonding the nonwoven batt to form a thermobonded precursor nonwoven web with a bond pattern that defines bond impressions and unbonded areas between the individual bond impressions, and hydraulically treating the thermobonded precursor nonwoven by a plurality of steps of water injection as the thermobonded nonwoven web passes over a screen. The bond pattern has specific features that provide advantages in terms of mechanical properties and visual appearance of the final nonwoven product.