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.:

US 7252725 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 07, 2007

Filed:

Sep. 09, 2002
Applicant:

Martin a Allen, Dawsonville, GA (US);

Inventor:

Martin A Allen, Dawsonville, GA (US);

Assignee:

Nordson Corporation, Westlake, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 31/00 (2006.01); B32B 27/02 (2006.01); D04H 1/56 (2006.01); D04H 1/72 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multi-layer absorbent product in a preferred embodiment includes a fibrous nonwoven top sheet, a fibrous nonwoven absorbent core layer, and a fibrous nonwoven substantially water-impervious back sheet. Each component layer or sheet is manufactured at a fiberizing station (i.e., melt spinning) and laminated together at a combining station. The preferred melt spinning apparatus is spunbond for the top sheet, meltblowing for the core layer, and a combination of spunbond and meltblowing for the bottom sheet.


Find Patent Forward Citations

Allen, Martin. (2007). Absorbent composite product and process and apparatus for manufacture thereof (U.S. Patent No. 7252725). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7252725

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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