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:
Jul. 02, 1996
Filed:
Oct. 25, 1994
Applicant:
Inventors:
Richmond R Cohen, Hockessin, DE (US);
Edward J Engle, Conyers, GA (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ;
U.S. Cl.
CPC ...
604378 ; 604358 ; 6043851 ; 604384 ;
Abstract
A nonwoven fabric having flow control properties suitable for use in a fluid absorbing article such as a diaper, incontinence pad, or the like; and a process for preparation thereof by utilizing unbonded carded staple fiber elements or webs having different average dpf values compiled in graduated order from high-to-low average dpf, then compressed and bonded to a desired constant fabric density.